C21D8/1294 - CPC Classification Index

#1

20260085390

2026-03-26

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#2

20250154618

2025-05-15

METHOD OF MANUFACTURING A GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#3

20240263289

2024-08-08

Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CORE, AND TRANSFORMER

#4

20240209483

2024-06-27

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#5

20240191333

2024-06-13

Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer

#6

20230402220

2023-12-14

WOUND CORE

#7

20230307160

2023-09-28

METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#8

20230304123

2023-09-28

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#9

20230212706

2023-07-06

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING SAME

#10

20230178276

2023-06-08

Grain-oriented electrical steel sheet

#11

20230175090

2023-06-08

GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#12

20230060058

2023-02-23

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR REFINING MAGNETIC DOMAIN THEREOF

#13

20220375666

2022-11-24

Fe-based amorphous alloy ribbon, iron core, and transformer

#14

20220364212

2022-11-17

Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer

#15

20220282349

2022-09-08

Linear groove formation method and linear groove forming apparatus, and method for manufacturing grain-oriented electrical steel sheet

#16

20220267872

2022-08-25

LINEAR GROOVE FORMATION METHOD AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#17

20220212289

2022-07-07

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

#18

20220170131

2022-06-02

METHOD OF MANUFACTURING LOW IRON LOSS GRAIN ORIENTED ELECTRICAL STEEL SHEET

#19

20220119907

2022-04-21

Method for manufacturing grain-oriented electrical steel sheet

#20

20220090227

2022-03-24

Grain-oriented electrical steel sheet and method for manufacturing the same

#21

20210130922

2021-05-06

Method for refining magnetic domains of grain-oriented electrical steel sheet

#22

20200332380

2020-10-22

Device to improve iron loss properties of grain-oriented electrical steel sheet

#23

20200087744

2020-03-19

Method for refining magnetic domain of grain-oriented electrical steel plate and device therefor

#24

20200058434

2020-02-20

Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor

#25

20200035392

2020-01-30

Grain-oriented electrical steel sheet and production method therefor

#26

20190296619

2019-09-26

Localized induction heat treatment of electric motor components

#27

20190070693

2019-03-07

Method and device for magnetic domain refinement of oriented electrical steel plate

#28

20190062866

2019-02-28

Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor

#29

20190054570

2019-02-21

Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor

#30

20190035524

2019-01-31

Electrical steel sheet and method for manufacturing the same

#31

20190032167

2019-01-31

Method and device for magnetic domain refinement of oriented electrical steel plate

#32

20190013126

2019-01-10

Grain-oriented electrical steel sheet and method for manufacturing the same

#33

20180371573

2018-12-27

Grain-oriented electrical steel sheet and method for manufacturing same

#34

20180274051

2018-09-27

METHOD FOR PRODUCING A STARTING MATERIAL FOR THE PRODUCTION OF METALLIC COMPONENTS HAVING REGIONS OF DIFFERENT STRENGTH

#35

20180119242

2018-05-03

METHOD FOR FORMING LINEAR GROOVE ON COLD ROLLED STEEL STRIP AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#36

20180043474

2018-02-15

Grain-oriented electrical steel sheet

#37

20180037965

2018-02-08

Grain-oriented electrical steel sheet and production method therefor

#38

20180036838

2018-02-08

Grain-oriented electrical steel sheet

#39

20180030559

2018-02-01

Grain-oriented electrical steel sheet and method for manufacturing same

#40

20170369960

2017-12-28

Grain-oriented electrical steel plate and manufacturing method thereof

#41

20170182591

2017-06-29

Grain-oriented electrical steel sheet causing low core loss and low magnetostriction

#42

20160333435

2016-11-17

Grain oriented electrical steel sheet and production method therefor

#43

20160284454

2016-09-29

Grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet

#44

20160177413

2016-06-23

Grain-oriented electrical steel sheet and method for manufacturing same

#45

20150332820

2015-11-19

Composite magnetic member and method of manufacturing same

#46

20150318092

2015-11-05

Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet

#47

20150318091

2015-11-05

Laser processing apparatus and laser irradiation method

#48

20150253242

2015-09-10

Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method

#49

20150248957

2015-09-03

Grain-oriented electrical steel sheet and method for manufacturing same

#50

20150187474

2015-07-02

Grain-oriented electrical steel sheet for iron core and method of manufacturing the same

#51

20150132547

2015-05-14

Grain-oriented electrical steel sheet and method for improving iron loss properties thereof

#52

20150059932

2015-03-05

Grain-oriented magnetic steel sheet and method of producing the same

#53

20150034211

2015-02-05

Grain-oriented electrical steel sheet and method for producing same

#54

20150010762

2015-01-08

Grain-oriented electrical steel sheet

#55

20140360629

2014-12-11

Grain-oriented electrical steel sheet and method of manufacturing the same

#56

20140352849

2014-12-04

Grain-oriented electrical steel sheet

#57

20140338792

2014-11-20

Grain-oriented electrical steel sheet and method of manufacturing same

#58

20140312009

2014-10-23

Device to improve iron loss properties of grain-oriented electrical steel sheet

#59

20130335071

2013-12-19

Method of scale substrate manufacture

#60

20130284711

2013-10-31

Fast-speed laser scoring method

#61

20130161301

2013-06-27

Device to improve iron loss properties of grain oriented electrical steel sheet and method for improving iron loss properties of grain oriented electrical steel sheet

#62

20130133783

2013-05-30

Grain oriented electrical steel sheet

#63

20130098508

2013-04-25

Grain oriented electrical steel sheet and method for manufacturing the same

#64

20130098507

2013-04-25

Grain oriented electrical steel sheet and method for manufacturing the same

#65

20130092652

2013-04-18

Method for manufacturing grain-oriented electrical steel sheet

#66

20130017408

2013-01-17

Grain-oriented electrical steel sheet and method for producing same

#67

20120028069

2012-02-02

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREFOR

#68

20100279141

2010-11-04

Low core loss grain-oriented electrical steel plate and method of manufacturing the same

#69

20100243629

2010-09-30

Method for manufacturing grain-oriented electromagnetic steel sheet whose magnetic domains are controlled by laser beam irradiation

#70

20090272464

2009-11-05

Grain-Oriented Electrical Sheet Superior in Watt Loss

#71

20090114316

2009-05-07

Method of production of grain-oriented electrical steel sheet

#72

20090107585

2009-04-30

Method for production and apparatus for production of grain-oriented electrical steel sheet excellent in magnetic properties

#73

20060169362

2006-08-03

Grain-oriented electrical steel sheet superior in electrical characteristics and method of production of same