ClassID:

119765

C22C38/20 - CPC Classification

Classification description:

Ferrous alloys, e.g. steel alloys containing chromium with copper

Recent Application in this class:
#1
20260152816
2026-06-04

STEEL SECTION AND STEEL SECTION MANUFACTURING METHOD

#2
20260132729
2026-05-14

HEAT-RESISTANT, AUSTENITIC CAST STEEL, AND EXHAUST MEMBER MADE THEREOF

#3
20260117350
2026-04-30

Nanocrystalline Alloy Soft Magnetic Powder, Dust Core, Magnetic Element, And Electronic Device

#4
20260110047
2026-04-23

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#5
20260098329
2026-04-09

STEEL MATERIAL WITH GOOD FATIGUE PROPERTY IN HYDROGEN AND METHOD FOR PRODUCING THE SAME, AND STEEL PIPE AND METHOD FOR PRODUCING THE SAME

#6
20260092338
2026-04-02

HIGH-STRENGTH NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#7
20260085393
2026-03-26

HOT-ROLLED STEEL SHEET

#8
20260085372
2026-03-26

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND INDUCTION HEATING DEVICE

#9
20260081056
2026-03-19

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND INDUCTION HEATING DEVICE

#10
20260078462
2026-03-19

STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME

#11
20260062782
2026-03-05

STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#12
20260055493
2026-02-26

ULTRA-PURE FERRITIC STAINLESS STEEL AND ITS MANUFACTURING METHOD AND USE

#13
20260049382
2026-02-19

STEEL SHEET

#14
20260048456
2026-02-19

WELDING MEMBER, AND WIRE FOR GAS-SHIELDED ARC WELDING

#15
20260043104
2026-02-12

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION-RESISTANCE AND SPOT-WELDABILITY, HOT-FORMED MEMBER, AND METHOD FOR MANUFACTURING SAME

#16
20260034583
2026-02-05

METHOD OF COOLING SHEET

#17
20260022438
2026-01-22

HIGH STRENGTH MEMBER, METHOD FOR MANUFACTURING HIGH STRENGTH MEMBER, AND METHOD FOR MANUFACTURING STEEL SHEET FOR HIGH STRENGTH MEMBER

#18
20260009099
2026-01-08

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#19
20260009097
2026-01-08

MODELING AND MANUFACTURING METHOD FOR REVERSIBLE PLOW POINT WITH CHARACTERISTICS OF LOW RESISTANCE AND BEING STRONG INSIDE AND HARD OUTSIDE

#20
20250389004
2025-12-25

STEEL PLATE FOR HOT STAMPING

#21
20250376739
2025-12-11

HIGH HOLE EXPANSION STEEL AND METHOD FOR MANUFACTURING THEREFOR

#22
20250369066
2025-12-04

HIGH-PLASTICITY STEEL AND MANUFACTURING METHOD THEREFOR

#23
20250369063
2025-12-04

HIGH STRENGTH STEEL PLATE FOR SOUR-RESISTANT LINE PIPE AND METHOD FOR PRODUCING SAME, AND HIGH STRENGTH STEEL PIPE OR TUBE USING HIGH STRENGTH STEEL PLATE FOR SOUR-RESISTANT LINE PIPE

#24
20250361575
2025-11-27

SOFT MAGNETIC ALLOY AND METHOD FOR PRODUCING SOFT MAGNETIC ALLOY

#25
20250354233
2025-11-20

DOUBLE COLD ROLLED NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#26
20250333813
2025-10-30

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#27
20250320575
2025-10-16

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#28
20250308735
2025-10-02

SOFT MAGNETIC ALLOY

#29
20250305102
2025-10-02

STEEL SHEET

#30
20250290182
2025-09-18

MARTENSITIC STAINLESS ALLOY

#31
20250290170
2025-09-18

HOT-ROLLED STEEL SHEET, PART FOR VEHICLE, AND METHOD FOR MANUFACTURING SAME

#32
20250286412
2025-09-11

ROTARY ELECTRIC MACHINE, NON-ORIENTED ELECTRICAL STEEL SHEET, LAMINATED CORE, METHOD FOR MANUFACTURING ROTARY ELECTRIC MACHINE, AND METHOD FOR MANUFACTURING LAMINATED CORE

#33
20250243573
2025-07-31

High toughness press-hardened steel part and method of manufacturing the same

#34
20250236925
2025-07-24

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#35
20250232901
2025-07-17

Method For Producing Soft Magnetic Alloy Powder, Soft Magnetic Alloy Powder, Dust Core, Magnetic Element, And Electronic Device

#36
20250215544
2025-07-03

STEEL MATERIAL

#37
20250215543
2025-07-03

STEEL SHEET AND ENAMELED PRODUCT

#38
20250207216
2025-06-26

TWIP STEEL SHEET HAVING AN AUSTENITIC MATRIX

#39
20250188579
2025-06-12

HOT STAMPED COMPONENT

#40
20250163529
2025-05-22

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#41
20250140456
2025-05-01

NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING MOTOR CORE

#42
20250129460
2025-04-24

WELDED RAIL

#43
20250109453
2025-04-03

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#44
20250084518
2025-03-13

HOT STAMPED BODY

#45
20250084516
2025-03-13

STEEL REINFORCEMENT AND METHOD FOR MANUFACTURING THE SAME

#46
20250075285
2025-03-06

HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME

#47
20250075283
2025-03-06

STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#48
20250059615
2025-02-20

FERRITIC STAINLESS STEEL SHEET AND PRODUCTION METHOD THEREFOR

#49
20250051895
2025-02-13

STEEL SHEET AND PLATED STEEL SHEET

#50
20250043406
2025-02-06

HOT STAMPED BODY

#51
20250043403
2025-02-06

ANTIBACTERIAL AND ANTIVIRAL COPPER-CONTAINING STAINLESS STEEL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

#52
20250029758
2025-01-23

Soft Magnetic Powder, Powder Magnetic Core, Magnetic Element, And Electronic Device

#53
20250019810
2025-01-16

STEEL MEMBER AND STEEL SHEET

#54
20250010579
2025-01-09

STEEL SHEET FOR HOT PRESS FORMED MEMBER

#55
20250003042
2025-01-02

HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELLS

#56
20250003040
2025-01-02

HOT-ROLLED STEEL FOR ENAMELING HAVING ENAMELING AND FIRING STRENGTHENING PROPERTY, AND MANUFACTURING METHOD THEREFOR

#57
20240425960
2024-12-26

STEEL SHEET AND PRESS-FORMED ARTICLE

#58
20240417831
2024-12-19

ALLOYED STEEL

#59
20240410572
2024-12-12

COMBUSTION MEMBRANE FOR A GAS BURNER

#60
20240384365
2024-11-21

SECTION STEEL AND METHOD FOR MANUFACTURING SAME

#61
20240383025
2024-11-21

FORGED STEEL ROLL FOR COLD ROLLING

#62
20240352973
2024-10-24

Rolling Bearing

#63
20240352566
2024-10-24

STEEL MATERIAL

#64
20240352565
2024-10-24

OUTER PLATE COMPONENT FOR AUTOMOBILE, BLANK SHEET, MANUFACTURING METHOD FOR BLANK SHEET, AND MANUFACTURING FACILITY FOR BLANK SHEET

#65
20240352552
2024-10-24

STEEL SHEET AND METHOD OF PRODUCING SAME

#66
20240313232
2024-09-19

STAINLESS STEEL HAVING EXCELLENT CONTACT RESISTANCE OR PEMFC SEPARATOR AN METHOD OF MANUFACTURING SAME

#67
20240309497
2024-09-19

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#68
20240309482
2024-09-19

COLD-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF

#69
20240309481
2024-09-19

HOT-ROLLED STEEL PLATE FOR LOW-COST HIGH TEMPERATURE ENAMELING, AND MANUFACTURING METHOD THEEFOR

#70
20240301527
2024-09-12

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION-RESISTANCE AND SPOT-WELDABILITY, HOT-FORMED MEMBER, AND METHOD FOR MANUFACTURING SAME

#71
20240282491
2024-08-22

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#72
20240279763
2024-08-22

METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLING MILL FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#73
20240271262
2024-08-15

STEEL MATERIAL

#74
20240271261
2024-08-15

STEEL SHEET

#75
20240258001
2024-08-01

NANOCRYSTALLINE SOFT MAGNETIC ALLOY WITH HIGH MAGNETIC INDUCTION AND HIGH FREQUENCY AND PREPARATION METHOD THEREOF

#76
20240254581
2024-08-01

HETEROSTRUCTURED ANTIMICROBIAL STAINLESS STEEL AND METHOD FOR SYNTHESIZING THE SAME

#77
20240253117
2024-08-01

METHOD FOR THE OBTAINING OF COST EFFECTIVE GEOMETRICALLY COMPLEX PIECES

#78
20240249863
2024-07-25

METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#79
20240246167
2024-07-25

AUTOMOTIVE MEMBER AND RESISTANCE SPOT WELDING METHOD THEREFOR

#80
20240229204
2024-07-11

HOT-STAMP FORMED BODY

#81
20240229182
2024-07-11

HOT DIP GALVANIZED ULTRA-HIGH STRENGTH STEEL SHEETS WITH HIGH FLATNESS

#82
20240198633
2024-06-20

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING ADHESION AND POST-PAINTING CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME

#83
20240191319
2024-06-13

STEEL STRIP MADE OF A HIGH-STRENGTH MULTIPHASE STEEL AND PROCESS FOR PRODUCING SUCH A STEEL STRIP

#84
20240186042
2024-06-06

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#85
20240186038
2024-06-06

SOFT MAGNETIC POWDER, METAL POWDER, DUST CORE, MAGNETIC ELEMENT, AND ELECTRONIC DEVICE

#86
20240183017
2024-06-06

STEEL SHEET FOR HOT STAMPING AND HOT-STAMPING FORMED BODY

#87
20240158882
2024-05-16

STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#88
20240153683
2024-05-09

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#89
20240150863
2024-05-09

STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#90
20240141467
2024-05-02

STEEL SHEET AND WELDED JOINT

#91
20240133007
2024-04-25

HOT-STAMP FORMED BODY

#92
20240116107
2024-04-11

SINTERED METAL BODY AND METHOD FOR PRODUCING SINTERED METAL BODY

#93
20240110266
2024-04-04

SINTERING METAL POWDER AND SINTERED METAL BODY

#94
20240105369
2024-03-28

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#95
20240096531
2024-03-21

NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING MOTOR CORE

#96
20240093324
2024-03-21

STEEL PIPE FOR PRESSURE PIPING AND STARTING MATERIAL FOR STEEL PIPE

#97
20240051265
2024-02-15

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE TO HYDROGEN DELAYED FRACTURE AND METHOD FOR MANUFACTURING THEREOF

#98
20240039347
2024-02-01

Non-oriented electrical steel sheet, production method for non-oriented electrical steel sheet, electric motor and production method for electric motor

#99
20240026486
2024-01-25

STEEL SHEET FOR PORCELAIN ENAMEL, AND METHOD OF MANUFACTURING SAME

#100
20240026479
2024-01-25

HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTANCE AND DUCTILITY, AND METHOD FOR PRODUCING SAME

#101
20230416865
2023-12-28

WIRE ROD FOR 5000 MPA-GRADE DIAMOND WIRE AND PRODUCTION METHOD THEREFOR

#102
20230416863
2023-12-28

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

#103
20230407428
2023-12-21

Steel

#104
20230399712
2023-12-14

Steel sheet and method for producing same

#105
20230364674
2023-11-16

METHOD FOR THE OBTAINING OF COST EFFECTIVE GEOMETRICALLY COMPLEX PIECES

#106
20230357883
2023-11-09

DEHYDROGENATION APPARATUS, STEEL SHEET PRODUCTION SYSTEM, AND STEEL SHEET PRODUCTION METHOD

#107
20230357882
2023-11-09

GPA-GRADE BAINITE STEEL HAVING ULTRA-HIGH YIELD RATIO AND MANUFACTURING METHOD FOR GPA-GRADE BAINITE STEEL

#108
20230349022
2023-11-02

Steel sheet

#109
20230343496
2023-10-26

ANISOTROPIC RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME

#110
20230323502
2023-10-12

980 MPA-GRADE FULL-BAINITE ULTRA-HIGH HOLE EXPANSION STEEL AND MANUFACTURING METHOD THEREFOR

#111
20230313332
2023-10-05

HIGH-STRENGTH LOW-CARBON MARTENSITIC HIGH HOLE EXPANSION STEEL AND MANUFACTURING METHOD THEREFOR

#112
20230304121
2023-09-28

980 MPA-GRADE ULTRA-LOW-CARBON MARTENSITE AND RETAINED AUSTENITE ULTRA-HIGH HOLE EXPANSION STEEL AND MANUFACTURING METHOD THEREFOR

#113
20230271635
2023-08-31

RAILWAY AXLE

#114
20230264304
2023-08-24

ARC WELDING METHOD

#115
20230250506
2023-08-10

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#116
20230250505
2023-08-10

RAIL AND METHOD FOR PRODUCING THE SAME

#117
20230243014
2023-08-03

Galvanized steel sheet, member, and method for producing them

#118
20230235439
2023-07-27

COATED STEEL SHEET WITH THIN ALUMINIUM ALLOY COATING AND COATING METHOD THEREOF

#119
20230235425
2023-07-27

High strength steel product and method of manufacturing the same

#120
20230235423
2023-07-27

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

#121
20230212720
2023-07-06

METHOD FOR THE PRODUCTION OF HIGH PERMEABILITY GRAIN ORIENTED ELECTRICAL STEEL CONTAINING CHROMIUM

#122
20230211413
2023-07-06

IRON-BASED SINTERED ALLOY MATERIAL AND PRODUCTION METHOD THEREFOR

#123
20230203614
2023-06-29

ABRASION-RESISTANT STEEL PLATE AND METHOD OF PRODUCING ABRASION-RESISTANT STEEL PLATE

#124
20230193438
2023-06-22

WELDED RAIL

#125
20230193414
2023-06-22

STEEL AND STEEL COMPONENT

#126
20230160047
2023-05-25

Fe-based nanocrystalline alloy and electronic component using the same

#127
20230160046
2023-05-25

STEEL SHEET AND ENAMELED PRODUCT

#128
20230144982
2023-05-11

FERRITIC STAINLESS STEEL HAVING IMPROVED CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME

#129
20230144381
2023-05-11

FERRITIC STAINLESS STEEL HAVING IMPROVED SURFACE CHARACTERISTICS AND METHOD FOR MANUFACTURING SAME

#130
20230138493
2023-05-04

METHOD FOR PRODUCING STEEL COMPONENT HAVING LOCALLY SOFTENED PART

#131
20230127243
2023-04-27

Steel sheet, member, and method for producing them

#132
20230118113
2023-04-20

STEEL

#133
20230114417
2023-04-13

STEEL FOR GLASS LINING AND PRODUCTION METHOD THEREFOR

#134
20230107809
2023-04-06

HOT-ROLLED STEEL SHEET

#135
20230104637
2023-04-06

500 MPA GRADE LOW YIELD RATIO WEATHER-RESISTANT BRIDGE STEEL AND MANUFACTURING METHOD THEREFOR

#136
20230079323
2023-03-16

Electric resistance welded steel pipe or tube

#137
20230078690
2023-03-16

HOT-STAMPED PRODUCT

#138
20230077921
2023-03-16

METHOD FOR PRODUCING A STEEL STRIP WITH A MULTIPHASE STRUCTURE, AND RELATED STEEL STRIP

#139
20230063455
2023-03-02

3D PRINTABLE HARD FERROUS METALLIC ALLOYS FOR POWDER BED FUSION

#140
20230059951
2023-02-23

STEEL SHEET AND MANUFACTURING METHOD THEREOF

#141
20230054725
2023-02-23

PINION SHAFT, WATCH MECHANISM, WATCH OR MEASUREMENT DEVICE WITHOUT A MAGNETIC SIGNATURE

#142
20230051620
2023-02-16

High chromium and silicon-rich corrosion resistant steel and article comprising the same

#143
20230047998
2023-02-16

Steel component comprising an anti-corrosion layer containing manganese

#144
20230045475
2023-02-09

METHOD FOR MANUFACTURING A GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#145
20230029319
2023-01-26

HOT ROLLED STEEL SHEET

#146
20230023692
2023-01-26

HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME

#147
20230012836
2023-01-19

BEARING COMPONENT HAVING A METALLIC BASE BODY AND AN ALLOY- STEEL COATING

#148
20230002846
2023-01-05

Steel sheet and manufacturing method thereof

#149
20230001466
2023-01-05

HOT-STAMPING FORMED BODY

#150
20220396856
2022-12-15

Hot-rolled steel sheet for electric resistance welded steel pipe and method for manufacturing the same, electric resistance welded steel pipe and method for manufacturing the same, line pipe, and building structure

#151
20220389533
2022-12-08

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

#152
20220380876
2022-12-01

HOT-ROLLED STEEL SHEET

#153
20220380874
2022-12-01

Steel material and steel product using the same

#154
20220380873
2022-12-01

Alloyed steel powder for powder metallurgy, iron-based mixed powder for powder metallurgy, and sintered body

#155
20220367092
2022-11-17

ANISOTROPIC RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING THE SAME

#156
20220364197
2022-11-17

PREPARATION METHOD OF GLASSLESS GRAIN-ORIENTED SILICON STEEL AND PRODUCT THEREOF

#157
20220356542
2022-11-10

FERRITIC STAINLESS STEEL WITH IMPROVED HIGH TEMPERATURE CREEP RESISTANCE AND MANUFACTURING METHOD THEREFOR

#158
20220344084
2022-10-27

Grain oriented electrical steel sheet

#159
20220316039
2022-10-06

STEEL REINFORCEMENT AND METHOD FOR MANUFACTURING THE SAME

#160
20220316026
2022-10-06

METHOD OF HEAT TREATING A HIGH STRENGTH COLD ROLLED STEEL STRIP

#161
20220316025
2022-10-06

HEAT TREATMENT OF HIGH STRENGTH COLD ROLLED STEEL STRIP

#162
20220316024
2022-10-06

HEAT TREATMENT OF COLD ROLLED STEEL STRIP

#163
20220316019
2022-10-06

SECTION STEEL AND METHOD FOR MANUFACTURING SAME

#164
20220275491
2022-09-01

STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR AND METHOD OF MANUFACTURING THE STAINLESS STEEL

#165
20220275470
2022-09-01

HIGH-MAGNETIC-INDUCTION ORIENTED SILICON STEEL AND MANUFACTURING METHOD THEREFOR

#166
20220251676
2022-08-11

HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#167
20220250353
2022-08-11

Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof

#168
20220235444
2022-07-28

A MARTENSITIC STAINLESS ALLOY

#169
20220228245
2022-07-21

Plated steel sheet for hot stamping

#170
20220220577
2022-07-14

HIGH STRENGTH MEMBER, METHOD FOR MANUFACTURING HIGH STRENGTH MEMBER, AND METHOD FOR MANUFACTURING STEEL SHEET FOR HIGH STRENGTH MEMBER

#171
20220205070
2022-06-30

NICKEL-FREE AUSTENITIC STAINLESS-STEEL POWDER COMPOSITION AND PART PRODUCED BY SINTERING BY MEANS OF THIS POWDER

#172
20220195552
2022-06-23

High-strength steel sheet and method for producing same

#173
20220184694
2022-06-16

Hot isostatic pressing (HIP) fabrication of multi-metallic components for pressure-controlling equipment

#174
20220177996
2022-06-09

High-Hardness Steel Product and Method of Manufacturing the Same

#175
20220177993
2022-06-09

FERRITIC STAINLESS STEEL SHEET FOR AUTOMOBILE BRAKE DISK ROTORS, AUTOMOBILE BRAKE DISK ROTOR, AND HOT-STAMPED ARTICLE FOR AUTOMOBILE BRAKE DISK ROTORS

#176
20220170126
2022-06-02

HIGH-CARBON HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#177
20220145546
2022-05-12

Method for manufacturing rail, and rail

#178
20220145435
2022-05-12

Weathering steel for solid-state welding, weathering steel material for solid-state welding, solid-state welded structure and solid-state welding method

#179
20220106663
2022-04-07

High-carbon hot-rolled steel sheet and method for manufacturing the same

#180
20220098712
2022-03-31

STEEL MATERIAL SUITABLE FOR USE IN SOUR ENVIRONMENT

#181
20220090242
2022-03-24

Grain oriented electrical steel sheet, forming method for insulation coating of grain oriented electrical steel sheet, and producing method for grain oriented electrical steel sheet

#182
20220081749
2022-03-17

MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#183
20220074032
2022-03-10

Steel material to be starting material of carbonitrided bearing component

#184
20220055342
2022-02-24

Steel sheet for hot press formed member having excellent coating adhesion and manufacturing method for the same

#185
20220049323
2022-02-17

Non-oriented electrical steel sheet

#186
20220042545
2022-02-10

CARBONITRIDED BEARING COMPONENT

#187
20220042150
2022-02-10

Method of producing ferritic heat-resistant steel welded joint

#188
20220042148
2022-02-10

Steel material suitable for use in sour environment

#189
20220042137
2022-02-10

Method for producing grain-oriented electrical steel sheet

#190
20220042131
2022-02-10

PRESSURE VESSEL STEEL HAVING EXCELLENT HYDROGEN INDUCED CRACKING RESISTANCE, AND MANUFACTURING METHOD THEREFOR

#191
20220033940
2022-02-03

Non-grain oriented electrical steel and method for manufacturing same

#192
20220033939
2022-02-03

Ferritic stainless steel and ferritic stainless steel pipe with improved mechanical properties of welding portion

#193
20220033927
2022-02-03

HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

#194
20220025493
2022-01-27

STEEL MATERIAL

#195
20220021248
2022-01-20

Non-oriented electrical steel sheet, segmented stator, and rotating electrical machine

#196
20220010416
2022-01-13

Roughly-shaped steel material for nitrided part, and nitrided part

#197
20220002827
2022-01-06

High-strength steel sheet and method for manufacturing the same

#198
20210398720
2021-12-23

Soft magnetic powder, powder magnetic core, magnetic element, and electronic device

#199
20210395895
2021-12-23

Cold rolled steel sheet for zirconium-based chemical conversion treatment, method for producing same, zirconium-based chemical conversion-treated steel sheet, and method for producing same

#200
20210388475
2021-12-16

Cryogenic austenitic high-manganese steel having excellent corrosion resistance, and manufacturing method therefor

#201
20210388459
2021-12-16

METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#202
20210388456
2021-12-16

METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET

#203
20210371961
2021-12-02

Steel material suitable for use in sour environment

#204
20210363620
2021-11-25

Low-alloy high-strength seamless steel pipe for oil country tubular goods

#205
20210362472
2021-11-25

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING ADHESION AND POST-PAINTING CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME

#206
20210355569
2021-11-18

Austenitic wear-resistant steel plate

#207
20210348251
2021-11-11

Cooling device and production method for rail

#208
20210324979
2021-10-21

Electric resistance welded steel pipe for torsion beam

#209
20210301376
2021-09-30

HIGH-TENSILE STEEL CONTAINING MANGANESE, USE OF SAID STEEL FOR FLEXIBLY-ROLLED SHEET-PRODUCTS, AND PRODUCTION METHOD AND ASSOCIATED STEEL SHEET-PRODUCT

#210
20210301362
2021-09-30

3D printable hard ferrous metallic alloys for powder bed fusion

#211
20210292876
2021-09-23

Austenitic Heat Resistant Alloy and Welded Joint Including the Same

#212
20210276093
2021-09-09

Magnetic powder, magnetic powder molded body, and method for manufacturing magnetic powder

#213
20210272728
2021-09-02

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREOF

#214
20210269920
2021-09-02

Method for manufacturing stainless steel for polymer fuel cell separator having excellent contact resistance

#215
20210262069
2021-08-26

Flat steel product and method for producing same

#216
20210238703
2021-08-05

EDGE FORMABILITY IN METALLIC ALLOYS

#217
20210230724
2021-07-29

Steel material for steel piston

#218
20210222265
2021-07-22

PRESS HARDENING STEEL WITH HIGH OXIDATION RESISTANCE

#219
20210189532
2021-06-24

Hot forged steel material

#220
20210181686
2021-06-17

Watch outer packaging component and watch

#221
20210180151
2021-06-17

Method for producing hot-rolled steel sheet, method for producing cold-rolled full-hard steel sheet, and method for producing heat-treated sheet

#222
20210180150
2021-06-17

Ultrahigh-strength and high-ductility steel sheet having excellent cold formability

#223
20210164084
2021-06-03

Steel for mold, and mold

#224
20210164068
2021-06-03

STEEL MATERIAL HAVING EXCELLENT WEAR RESISTANCE AND MANUFACTURING METHOD

#225
20210156017
2021-05-27

Hot-dip Sn—Zn-based alloy-plated steel sheet

#226
20210147966
2021-05-20

Ferritic stainless steel having reduced carbon sludge adsorption for exhaust system heat exchanger and method of manufacturing same

#227
20210147957
2021-05-20

Method for producing hot-rolled steel sheet and method for producing cold-rolled full hard steel sheet

#228
20210146417
2021-05-20

High-Strength Bead Wire and Manufacturing Method Therefor

#229
20210130919
2021-05-06

Hot-pressed steel sheet member and method for producing same

#230
20210115542
2021-04-22

High-strength steel sheet and high-strength galvanized steel sheet

#231
20210108296
2021-04-15

Non-oriented electrical steel sheet

#232
20210108279
2021-04-15

Ultrahigh-strength ultrahigh-toughness and low-density dual-phase lamellar steel plate and preparation method therefor

#233
20210102283
2021-04-08

Steel for nitrocarburizing and nitrocarburized component, and methods of producing same

#234
20210095356
2021-04-01

Steel sheet and manufacturing method therefor

#235
20210087660
2021-03-25

Ferritic stainless steel having excellent high-temperature oxidation resistance, and manufacturing method therefor

#236
20210071280
2021-03-11

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#237
20210071275
2021-03-11

Low-alloy high-strength seamless steel pipe for oil country tubular goods

#238
20210054489
2021-02-25

Grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet

#239
20210054488
2021-02-25

STEEL PLATE FOR HOT STAMPING

#240
20210054485
2021-02-25

Hot-rolled steel sheet with excellent low-temperature toughness, steel pipe, and manufacturing method therefor

#241
20210047716
2021-02-18

Galvannealed steel sheet

#242
20210047714
2021-02-18

Steel material suitable for use in sour environment

#243
20210043345
2021-02-11

Grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet

#244
20210040577
2021-02-11

High-strength cold-rolled steel sheet, high-strength coated steel sheet, and method for producing the same

#245
20210032733
2021-02-04

STEEL, MACHINE COMPONENT AND CONNECTING ROD

#246
20210017622
2021-01-21

Hot dip galvanized steel sheet and hot dip galvannealed steel sheet

#247
20210017619
2021-01-21

Method for manufacturing grain-oriented electrical steel sheet and grain-oriented electrical steel sheet

#248
20210010099
2021-01-14

Steel material suitable for use in sour environment

#249
20210002741
2021-01-07

High-strength steel sheet with excellent ductility and hole-expandability

#250
20200407816
2020-12-31

Bearing steel component, and steel bar for bearing steel component

#251
20200407815
2020-12-31

STEEL

#252
20200399732
2020-12-24

Grain-oriented electrical steel sheet and method for producing thereof

#253
20200385833
2020-12-10

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

#254
20200377978
2020-12-03

High-strength galvanized steel sheet and method for manufacturing same

#255
20200370159
2020-11-26

Steel material for CVT sheave, CVT sheave, and method for manufacturing CVT sheave

#256
20200370154
2020-11-26

NON-MAGNETIC AUSTENITIC STAINLESS STEEL HAVING IMPROVED STRENGTH AND SURFACE CONDUCTIVITY

#257
20200340072
2020-10-29

CARBURIZED BEARING STEEL COMPONENT AND STEEL BAR FOR CARBURIZED BEARING STEEL COMPONENT

#258
20200332397
2020-10-22

Steel sheet

#259
20200332381
2020-10-22

Electric resistance welded steel pipe or tube and production method for electric resistance welded steel pipe or tube

#260
20200331068
2020-10-22

IRON-BASED SINTERED ALLOY MATERIAL AND PRODUCTION METHOD THEREFOR

#261
20200325555
2020-10-15

Low-iron-loss grain-oriented electrical steel sheet and production method for same

#262
20200325552
2020-10-15

Cold-rolled flat steel product having metal anti-corrosion layer and method for producing same

#263
20200318224
2020-10-08

High-strength high-elongation tinned primary plate and double cold reduction method therefor

#264
20200308664
2020-10-01

High-strength galvannealed steel sheet

#265
20200283878
2020-09-10

Austenitic stainless steel weld metal and welded structure

#266
20200283869
2020-09-10

High-strength cold-rolled steel sheet

#267
20200283862
2020-09-10

High-strength cold-rolled steel sheet and method for manufacturing same

#268
20200269632
2020-08-27

Railway wheel

#269
20200263268
2020-08-20

High manganese steel for low temperature applications having excellent surface quality and a manufacturing method thereof

#270
20200258665
2020-08-13

Soft magnetic powder, powder magnetic core, magnetic element, and electronic device

#271
20200255918
2020-08-13

High yield strength steel with mechanical properties maintained or enhanced via thermal treatment optionally provided during galvanization coating operations

#272
20200255915
2020-08-13

High-strength multiphase tinned steel raw plate and manufacturing method therefor

#273
20200243238
2020-07-30

Crystalline Fe-based alloy powder and method for producing same

#274
20200232083
2020-07-23

Hot-dip galvanized steel sheet

#275
20200232062
2020-07-23

ROLLED FERRITIC STAINLESS STEEL SHEET, METHOD FOR PRODUCING THE SAME, AND FLANGE PART

#276
20200232060
2020-07-23

High strength steel sheet

#277
20200224813
2020-07-16

Electric-resistance-welded stainless clad steel pipe or tube

#278
20200224296
2020-07-16

Non-oriented electrical steel sheet

#279
20200216937
2020-07-09

STEEL MATERIAL EXCELLENT IN ROLLING FATIGUE PROPERTY

#280
20200208245
2020-07-02

Martensitic steel having a Z-phase, powder and component

#281
20200199705
2020-06-25

Method for manufacturing high-strength galvanized steel sheet

#282
20200190620
2020-06-18

Steel sheet for hot press formed member having excellent coating adhesion and manufacturing method for the same

#283
20200190618
2020-06-18

STEEL MEMBER, HOT-ROLLED STEEL SHEET FOR STEEL MEMBER, AND PRODUCTION METHOD THEREFOR

#284
20200190615
2020-06-18

Steel member and production method therefor

#285
20200182286
2020-06-11

Carburized shaft part

#286
20200176156
2020-06-04

Grain-oriented electrical steel sheet

#287
20200166080
2020-05-28

Bearing component having a metallic base body and an alloy-steel coating

#288
20200156349
2020-05-21

Hot-dip galvanized steel sheet

#289
20200140981
2020-05-07

Austenitic steel material having excellent abrasion resistance and toughness and manufacturing method the same

#290
20200131609
2020-04-30

HIGH-STRENGTH STEEL MEMBER

#291
20200115782
2020-04-16

Steel plate and method of producing same

#292
20200115771
2020-04-16

High strength hot-dip galvanized steel sheet and production method therefor

#293
20200109464
2020-04-09

Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof

#294
20200101695
2020-04-02

Steel sheet for hot press formed member having excellent painting adhesion and post-painting corrosion resistance

#295
20200087770
2020-03-19

Component for hot-dip metal plating bath

#296
20200087751
2020-03-19

AUSTENITIC STEEL HAVING EXCELLENT SURFACE CHARACTERISTICS, AND METHOD OF MANUFACTURING THE SAME

#297
20200080179
2020-03-12

High-strength steel having excellent fracture initiation resistance and fracture propagation arrestability at low temperature and method of manufacturing the same

#298
20200080178
2020-03-12

LOW ALLOY STEEL SHEET WITH EXCELLENT STRENGTH AND DUCTILITY

#299
20200078853
2020-03-12

Method for the production of chassis parts from micro-alloyed steel with improved cold formability

#300
20200071803
2020-03-05

SINTERED STEEL ALLOY FOR WEAR RESISTANCE AT HIGH TEMPERATURES AND FABRICATION METHOD OF VALVE-SEAT USING THE SAME