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Assignee profile:

POSCO

City:

Pohang-si

Country:

South Korea

Published Applications:

401

Last publication date:

2026-01-08

Patent Grants:

372

Last grant date:

2026-05-19

Quarterly POSCO Patent Applications

Top Inventors for applications by POSCO

These are the the leading inventors for applications assigned to POSCO:

Recent patent applications by POSCO

POSCO based in Pohang-si, KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-01-08
US20260009112A1
Chemistry; metallurgy

STEEL FOR HOT FORMING, HOT-FORMED MEMBER, AND MANUFACTURING METHODS THEREFOR

 #2 | 2025-11-20
US20250354241A1
Chemistry; metallurgy

WIRE ROD FOR COLD HEADING HAVING EXCELLENT DELAYED FRACTURE RESISTANCE CHARACTERISTICS, PARTS, AND MANUFACTURING METHOD THEREFOR

 #3 | 2025-08-07
US20250249477A1
Performing operations; transporting

GRAPHENE-COATED STEEL SHEET AND METHOD FOR PRODUCING SAME

 #4 | 2024-11-07 ✅ Patent 12,630,896 granted on 2026-05-19
US20240368724A1
Chemistry; metallurgy

ZINC PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND SPOT WELDABILITY, AND MANUFACTURING METHOD THEREFOR

 #5 | 2024-10-17 ✅ Patent 12,534,791 granted on 2026-01-27
US20240344191A1
Chemistry; metallurgy

PLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE, GALLING RESISTANCE, WORKABILITY AND SURFACE PROPERTY AND METHOD FOR MANUFACTURING SAME

 #6 | 2024-09-05 ✅ Patent 12,486,553 granted on 2025-12-02
US20240295002A1
Chemistry; metallurgy

ZINC PLATED STEEL SHEET HAVING EXCELLENT FATIGUE STRENGTH OF ELECTRICAL RESISTANCE SPOT WELDS, AND MANUFACTURING METHOD THEREOF

 #7 | 2024-03-28 ✅ Patent 12,312,663 granted on 2025-05-27
US20240102136A1
Chemistry; metallurgy

Chromium steel having excellent high-temperature oxidation resistance and high-temperature strength, and method of manufacturing same

 #8 | 2024-03-14 ✅ Patent 12,241,162 granted on 2025-03-04
US20240084429A1
Chemistry; metallurgy

Aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and manufacturing method thereof

 #9 | 2024-02-15 ✅ Patent 12,152,305 granted on 2024-11-26
US20240052495A1
Chemistry; metallurgy

Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing same

 #10 | 2023-11-09 ✅ Patent 12,390,892 granted on 2025-08-19
US20230356334A1
Performing operations; transporting

WELDING WIRES FOR OBTAINING GIGA-GRADE WELDS, WELDED STRUCTURES MANUFACTURING USING SAME, AND WELDING METHOD THEREOF

 #11 | 2023-08-24 ✅ Patent 12,633,437 granted on 2026-05-19
US20230268106A1
Electricity

SOFT MAGNETIC IRON-BASED POWDER AND PREPARATION METHOD THEREFOR, AND SOFT MAGNETIC COMPONENT

 #12 | 2023-06-08 ✅ Patent 12,590,359 granted on 2026-03-31
US20230175108A1
Chemistry; metallurgy

HIGH-STRENGTH AUSTENITIC STAINLESS STEEL WITH EXCELLENT PRODUCTIVITY AND COST REDUCTION EFFECT AND METHOD FOR PRODUCING SAME

 #13 | 2023-05-25 ✅ Patent 12,442,086 granted on 2025-10-14
US20230160071A1
Chemistry; metallurgy

PROCESS CONTROL SYSTEM AND OPERATING METHOD THEREFOR

 #14 | 2023-05-25 ✅ Patent 12,528,111 granted on 2026-01-20
US20230158559A1
Performing operations; transporting

Method of manufacturing hot press-formed member having excellent productivity, weldability and formability

 #15 | 2023-03-30
US20230096841A1
Human necessities

UPCONVERSION NANOPARTICLE, HYALURONIC ACID-UPCONVERSION NANOPARTICLE CONJUGATE, AND A PRODUCTION METHOD THEREOF USING A CALCULATION FROM FIRST PRINCIPLES

 #16 | 2023-03-23 ✅ Patent 12,330,391 granted on 2025-06-17
US20230086620A1
Performing operations; transporting

STEEL SHEET PLATED WITH AL-FE FOR HOT PRESS FORMING HAVING EXCELLENT CORROSION RESISTANCE AND SPOT WELDABILITY, AND MANUFACTURING METHOD THEREOF

 #17 | 2023-03-16 ✅ Patent 12,374,687 granted on 2025-07-29
US20230078432A1
Electricity

POSITIVE POLE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, LITHIUM SECONDARY BATTERY

 #18 | 2023-03-09 ✅ Patent 12,584,185 granted on 2026-03-24
US20230074599A1
Chemistry; metallurgy

COLD-ROLLED STEEL SHEET HAVING EXCELLENT THERMAL-RESISTANCE AND MOLDABILITY, AND METHOD FOR MANUFACTURING SAME

 #19 | 2023-03-09 ✅ Patent 12,085,339 granted on 2024-09-10
US20230074546A1
Mechanical engineering

Apparatus for calcining secondary battery cathode material

 #20 | 2023-02-23 ✅ Patent 12,546,536 granted on 2026-02-10
US20230053769A1
Mechanical engineering

VERTICAL-TYPE BAKING APPARATUS OF POSITIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY

 #21 | 2023-02-16 ✅ Patent 12,241,138 granted on 2025-03-04
US20230052839A1
Chemistry; metallurgy

Wear resistant steel material with excellent cut crack resistance and method of manufacturing same

 #22 | 2023-02-16 ✅ Patent 12,281,371 granted on 2025-04-22
US20230046285A1
Chemistry; metallurgy

Radiant tube apparatus and method for manufacturing same

 #23 | 2023-02-09
US20230042915A1
Chemistry; metallurgy

ANNEALING SEPARATOR FOR ORIENTED ELECTRICAL STEEL SHEET, ORIENTED ELECTRICAL STEEL SHEET, AND MANUFACTURING METHOD OF ORIENTED ELECTRICAL STEEL SHEET

 #24 | 2023-02-09 ✅ Patent 12,603,278 granted on 2026-04-14
US20230041710A1
Electricity

CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING THE SAME, AND SECONDARY LITHIUM ION BATTERY INCLUDING THE SAME

 #25 | 2023-02-09
US20230041587A1
Performing operations; transporting

IRON-ALUMINUM-BASED PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVING EXCELLENT HYDROGEN DELAYED FRACTURE PROPERTIES AND SPOT WELDING PROPERTIES, AND MANUFACTURING METHOD THEREFOR

 #26 | 2023-02-09 ✅ Patent 12,584,205 granted on 2026-03-24
US20230039057A1
Chemistry; metallurgy

STEEL SHEET PLATED WITH AL-FE ALLOY FOR HOT PRESS FORMING HAVING EXCELLENT CORROSION RESISTANCE AND HEAT RESISTANCE, HOT PRESS FORMED PART, AND MANUFACTURING METHOD THEREFOR

 #27 | 2023-02-02 ✅ Patent 12,448,672 granted on 2025-10-21
US20230036436A1
Chemistry; metallurgy

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

 #28 | 2023-02-02 ✅ Patent 12,559,807 granted on 2026-02-24
US20230035269A1
Chemistry; metallurgy

DOUBLE-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

 #29 | 2023-02-02 ✅ Patent 12,618,128 granted on 2026-05-05
US20230032485A1
Chemistry; metallurgy

STAINLESS STEEL FOR SEPARATOR OF POLYMER FUEL CELL HAVING EXCELLENT CORROSION RESISTANCE

 #30 | 2023-02-02 ✅ Patent 12,410,489 granted on 2025-09-09
US20230031552A1
Chemistry; metallurgy

WIRE ROD FOR HIGH-STRENGTH STEEL FIBER, HIGH-STRENGTH STEEL FIBER, AND METHOD FOR MANUFACTURING SAME

 #31 | 2023-02-02 ✅ Patent 12,467,120 granted on 2025-11-11
US20230029838A1
Chemistry; metallurgy

ENAMEL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

 #32 | 2023-01-26 ✅ Patent 12,331,370 granted on 2025-06-17
US20230029310A1
Chemistry; metallurgy

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

 #33 | 2023-01-26 ✅ Patent 12,492,444 granted on 2025-12-09
US20230029040A1
Chemistry; metallurgy

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

 #34 | 2023-01-26 ✅ Patent 12,480,170 granted on 2025-11-25
US20230028520A1
Chemistry; metallurgy

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

 #35 | 2023-01-26 ✅ Patent 12,392,452 granted on 2025-08-19
US20230027991A1
Mechanical engineering

LNG STORAGE TANK AND SHIP HAVING THEREOF

 #36 | 2023-01-26 ✅ Patent 12,612,672 granted on 2026-04-28
US20230027722A1
Chemistry; metallurgy

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

 #37 | 2023-01-26 ✅ Patent 12,239,931 granted on 2025-03-04
US20230027665A1
Performing operations; transporting

Foreign substance capture apparatus and facility for manufacturing electrical steel sheet including same

 #38 | 2023-01-26 ✅ Patent 12,264,379 granted on 2025-04-01
US20230027056A1
Chemistry; metallurgy

Steel wire rod having excellent spheroidizing heat treatment properties and method of manufacturing same

 #39 | 2023-01-26 ✅ Patent 11,898,252 granted on 2024-02-13
US20230026159A1
Chemistry; metallurgy

Aluminum-based alloy-plated steel sheet having excellent workability and corrosion resistance, and manufacturing method therefor

 #40 | 2023-01-26 ✅ Patent 12,188,104 granted on 2025-01-07
US20230026116A1
Chemistry; metallurgy

Steel sheet for a structure with excellent seawater corrosion resistance and method of manufacturing same

 #41 | 2023-01-26 ✅ Patent 12,451,277 granted on 2025-10-21
US20230025678A1
Electricity

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

 #42 | 2023-01-26 ✅ Patent 12,522,937 granted on 2026-01-13
US20230024286A1
Chemistry; metallurgy

STEEL SHEET WITH IMPROVED YELLOWING RESISTANCE AND PHOSPHATABILITY AND MANUFACTURING METHOD THEREOF

 #43 | 2023-01-26 ✅ Patent 12,000,008 granted on 2024-06-04
US20230024115A1
Chemistry; metallurgy

Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldability

 #44 | 2023-01-26 ✅ Patent 12,454,734 granted on 2025-10-28
US20230023692A1
Chemistry; metallurgy

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

 #45 | 2023-01-26 ✅ Patent 12,559,829 granted on 2026-02-24
US20230021399A1
Chemistry; metallurgy

HOT-DIP Zn-Al-Mg-BASED ALLOY-PLATED STEEL MATERIAL HAVING EXCELLENT CORROSION RESISTANCE OF PROCESSED PORTION, AND METHOD FOR MANUFACTURING SAME

 #46 | 2023-01-19 ✅ Patent 12,215,403 granted on 2025-02-04
US20230021153A1
Chemistry; metallurgy

Non-oriented electrical steel sheet and method for manufacturing same

 #47 | 2023-01-19 ✅ Patent 12,435,399 granted on 2025-10-07
US20230021013A1
Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

 #48 | 2023-01-19 ✅ Patent 12,529,117 granted on 2026-01-20
US20230020467A1
Chemistry; metallurgy

WIRE ROD AND COMPONENT, FOR COLD FORGING, EACH HAVING EXCELLENT DELAYED FRACTURE RESISTANCE CHARACTERISTICS, AND MANUFACTURING METHODS THEREFOR

 #49 | 2023-01-19 ✅ Patent 12,325,809 granted on 2025-06-10
US20230019863A1
Chemistry; metallurgy

COMPOSITION FOR SURFACE TREATING OF STEEL SHEET, STEEL SHEET USING SAME, AND MANUFACTURING METHOD OF SAME

 #50 | 2023-01-19 ✅ Patent 12,435,405 granted on 2025-10-07
US20230019786A1
Chemistry; metallurgy

HOT-DIPPED GALVANIZED STEEL SHEET HAVING EXCELLENT BENDING WORKABILITY AND CORROSION RESISTANCE AND MANUFACTURING METHOD THEREFOR

 #51 | 2023-01-19 ✅ Patent 12,545,979 granted on 2026-02-10
US20230019519A1
Chemistry; metallurgy

ALUMINUM-BASED ALLOY-COATED STEEL SHEET AND METHOD OF MANUFACTURING SAME

 #52 | 2023-01-19 ✅ Patent 12,339,251 granted on 2025-06-24
US20230019171A1
Physics

STEEL PLATE SURFACE MATERIAL PROPERTY TESTING DEVICE AND STEEL PLATE SURFACE MATERIAL PROPERTY TESTING METHOD

 #53 | 2023-01-19 ✅ Patent 12,054,801 granted on 2024-08-06
US20230018291A1
Chemistry; metallurgy

Zinc plated steel sheet having excellent surface quality and spot weldability, and manufacturing method therefor

 #54 | 2023-01-19 ✅ Patent 12,553,112 granted on 2026-02-17
US20230017796A1
Chemistry; metallurgy

HIGH-STRENGTH BLACKPLATE AND MANUFACTURING METHOD THEREFOR

 #55 | 2023-01-19 ✅ Patent 11,993,056 granted on 2024-05-28
US20230016611A1
Performing operations; transporting

Metal-plastic composite material and method for manufacturing same

 #56 | 2023-01-19 ✅ Patent 12,590,345 granted on 2026-03-31
US20230014632A1
Chemistry; metallurgy

COLD-ROLLED STEEL SHEET FOR FLUX-CORED WIRE AND METHOD FOR PRODUCING SAME

 #57 | 2023-01-19 ✅ Patent 11,897,229 granted on 2024-02-13
US20230012544A1
Performing operations; transporting

Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing same

 #58 | 2023-01-12 ✅ Patent 12,339,254 granted on 2025-06-24
US20230009623A1
Physics

ULTRASONIC TESTING APPARATUS WITH VARIABLE FREQUENCY

 #59 | 2023-01-12 ✅ Patent 12,220,770 granted on 2025-02-11
US20230008459A1
Performing operations; transporting

Pre-stressed steel sheet

 #60 | 2023-01-05 ✅ Patent 12,385,115 granted on 2025-08-12
US20230002873A1
Chemistry; metallurgy

STEEL FOR HOT FORMING, HOT-FORMED MEMBER, AND MANUFACTURING METHODS THEREFOR

 #61 | 2023-01-05 ✅ Patent 12,545,981 granted on 2026-02-10
US20230002871A1
Chemistry; metallurgy

HIGH-STRENGTH STEEL HAVING SUPERIOR DUCTILITY, AND MANUFACTURING METHOD THEREFOR

 #62 | 2023-01-05 ✅ Patent 12,595,537 granted on 2026-04-07
US20230002869A1
Chemistry; metallurgy

TIN BLACKPLATE FOR PROCESSING AND METHOD FOR MANUFACTURING SAME

 #63 | 2023-01-05 ✅ Patent 11,981,973 granted on 2024-05-14
US20230002845A1
Chemistry; metallurgy

Zinc plated steel sheet having excellent fatigue strength of electrical resistance spot welds, and manufacturing method thereof

 #64 | 2023-01-05 ✅ Patent 12,303,933 granted on 2025-05-20
US20230001445A1
Performing operations; transporting

Graphene-coated steel sheet and method for producing same

 #65 | 2022-12-22 ✅ Patent 12,173,392 granted on 2024-12-24
US20220403491A1
Chemistry; metallurgy

Austenitic stainless steel having increased yield ratio and manufacturing method thereof

 #66 | 2022-12-22 ✅ Patent 12,435,400 granted on 2025-10-07
US20220403489A1
Chemistry; metallurgy

THICK COMPOSITE-PHASE STEEL HAVING EXCELLENT DURABILITY AND MANUFACTURING METHOD THEREFOR

 #67 | 2022-12-15 ✅ Patent 12,565,689 granted on 2026-03-03
US20220396849A1
Chemistry; metallurgy

FERRITIC STAINLESS STEEL HAVING IMPROVED MAGNETIZATION, AND MANUFACTURING METHOD THEREFOR

 #68 | 2022-12-08 ✅ Patent 12,049,687 granted on 2024-07-30
US20220389548A1
Chemistry; metallurgy

High-strength steel having high yield ratio and excellent durability, and method for manufacturing same

 #69 | 2022-12-08 ✅ Patent 11,624,100 granted on 2023-04-11
US20220389533A1
Chemistry; metallurgy

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

 #70 | 2022-12-08 ✅ Patent 12,467,109 granted on 2025-11-11
US20220389532A1
Chemistry; metallurgy

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

 #71 | 2022-11-24 ✅ Patent 12,435,404 granted on 2025-10-07
US20220372608A1
Chemistry; metallurgy

ALUMINUM ALLOY-PLATED STEEL SHEET, HOT-FORMED MEMBER, AND METHODS FOR MANUFACTURING ALUMINUM ALLOY-PLATED STEEL SHEET AND HOT-FORMED MEMBER

 #72 | 2022-11-24 ✅ Patent 12,553,114 granted on 2026-02-17
US20220372603A1
Chemistry; metallurgy

HIGH STRENGTH STEEL PLATE HAVING EXCELLENT LOW TEMPERTURE IMPACT TOUGHNESS. AND METHOD FOR MANUFACTURING THE SAME

 #73 | 2022-11-24 ✅ Patent 12,447,563 granted on 2025-10-21
US20220371131A1
Performing operations; transporting

WIRE ROD FOR WELDING RODS AND METHOD FOR MANUFACTURING SAME

 #74 | 2022-11-24 ✅ Patent 12,194,491 granted on 2025-01-14
US20220371049A1
Performing operations; transporting

Ternary hot-dip galvannealed steel sheet surface treatment solution composition for providing excellent blackening resistance and alkali resistance, ternary hot-dip galvannealed steel sheet surface-treated using same, and manufacturing method therefor

 #75 | 2022-11-17 ✅ Patent 12,351,884 granted on 2025-07-08
US20220364193A1
Chemistry; metallurgy

HIGH-STRENGTH ULTRA-THICK STEEL PLATE HAVING SUPERB IMPACT TOUGHNESS AT LOW-TEMPERATURES, AND METHOD FOR MANUFACTURING SAME

 #76 | 2022-11-10 ✅ Patent 12,392,005 granted on 2025-08-19
US20220356542A1
Chemistry; metallurgy

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

 #77 | 2022-10-27 ✅ Patent 12,054,829 granted on 2024-08-06
US20220341017A1
Chemistry; metallurgy

Plated steel sheet having excellent corrosion resistance, galling resistance, workability and surface property

 #78 | 2022-10-27 ✅ Patent 12,258,657 granted on 2025-03-25
US20220341012A1
Chemistry; metallurgy

Hot-rolled steel sheet having excellent impact resistance, steel pipe, member, and manufacturing methods therefor

 #79 | 2022-10-27 ✅ Patent 12,522,886 granted on 2026-01-13
US20220340990A1
Chemistry; metallurgy

STEEL PLATE HAVING EXCELLENT STRENGTH AND LOW-TEMPERATURE IMPACT TOUGHNESS AND METHOD FOR MANUFACTURING SAME

 #80 | 2022-10-20 ✅ Patent 11,571,729 granted on 2023-02-07
US20220331852A1
Performing operations; transporting

Roll stamping apparatus and method

 #81 | 2022-09-15 ✅ Patent 12,305,250 granted on 2025-05-20
US20220290266A1
Chemistry; metallurgy

Steel plate for pressure vessel with excellent cryogenic lateral expansion and manufacturing method therefor

 #82 | 2022-09-15 ✅ Patent 12,060,111 granted on 2024-08-13
US20220289300A1
Performing operations; transporting

Side sill for vehicle

 #83 | 2022-09-08 ✅ Patent 12,559,813 granted on 2026-02-24
US20220282352A1
Chemistry; metallurgy

THIN STEEL PLATE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND CTOD PROPERTIES, AND METHOD FOR MANUFACTURING SAME

 #84 | 2022-09-01 ✅ Patent 11,897,371 granted on 2024-02-13
US20220274510A1
Performing operations; transporting

Seat frame

 #85 | 2022-09-01 ✅ Patent 11,833,778 granted on 2023-12-05
US20220274377A1
Performing operations; transporting

Plating steel sheet for hot press forming, forming member using same, and manufacturing method therefor

 #86 | 2022-08-18 ✅ Patent 11,634,819 granted on 2023-04-25
US20220261646A1
Physics

Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method therefor

 #87 | 2022-07-28 ✅ Patent 11,848,122 granted on 2023-12-19
US20220238251A1
Electricity

Insulation film composition for grain-oriented electrical steel sheet, method for forming insulation film for grain-oriented electrical steel sheet using same, and grain-oriented electrical steel sheet

 #88 | 2022-07-07 ✅ Patent 11,772,199 granted on 2023-10-03
US20220212289A1
Performing operations; transporting

Grain-oriented electrical steel sheet and magnetic domain refinement method therefor

 #89 | 2022-06-23 ✅ Patent 11,692,259 granted on 2023-07-04
US20220195575A1
Chemistry; metallurgy

High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same

 #90 | 2022-05-26 ✅ Patent 11,732,323 granted on 2023-08-22
US20220162720A1
Chemistry; metallurgy

Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof

 #91 | 2022-04-21 ✅ Patent 11,946,114 granted on 2024-04-02
US20220119910A1
Chemistry; metallurgy

Annealing separating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for manufacturing grain oriented electrical steel sheet

 #92 | 2022-04-07
US20220106657A1
Chemistry; metallurgy

ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

 #93 | 2022-03-24 ✅ Patent 11,456,618 granted on 2022-09-27
US20220094195A1
Electricity

Micro-grid system with un-interruptible power supply

 #94 | 2022-02-24 ✅ Patent 11,820,103 granted on 2023-11-21
US20220055342A1
Performing operations; transporting

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

 #95 | 2022-02-17 ✅ Patent 11,549,167 granted on 2023-01-10
US20220049337A1
Chemistry; metallurgy

Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor

 #96 | 2022-02-10 ✅ Patent 11,491,764 granted on 2022-11-08
US20220040957A1
Performing operations; transporting

Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method therefor

 #97 | 2022-01-20 ✅ Patent 11,654,654 granted on 2023-05-23
US20220016870A1
Performing operations; transporting

Manufacturing method of aluminum-based alloy plated steel

 #98 | 2021-09-16 ✅ Patent 11,396,712 granted on 2022-07-26
US20210285118A1
Chemistry; metallurgy

Manufacturing method of surface-treated zinc-nickel alloy electroplated steel sheet having excellent corrosion resistivity and paintability

 #99 | 2021-09-16 ✅ Patent 11,512,365 granted on 2022-11-29
US20210285070A1
Chemistry; metallurgy

Wire rod with excellent strength and ductility and manufacturing method therefor

 #100 | 2021-08-26 ✅ Patent 11,332,667 granted on 2022-05-17
US20210261862A1
Chemistry; metallurgy

Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby

Also check out POSCO's (Pohang-si, South Korea) applicant profile with 512 patent applications submitted.

AssigneeID:

20147 ⎘