C21D8/1288 - CPC Classification Index

#1

20260022434

2026-01-22

MIXED POWDER, MGO PARTICLES, METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING MGO PARTICLES, AND METHOD FOR MANUFACTURING MIXED POWDER

#2

20250250651

2025-08-07

ELECTRIC STEEL WITH TENSION COATING LAYER, AND METHOD OF PRODUCING THE SAME

#3

20250223675

2025-07-10

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR FORMING INSULATING COATING

#4

20250188560

2025-06-12

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

#5

20250109452

2025-04-03

COATING LIQUID FOR FORMING INSULATION COATING FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEETS, GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#6

20240233992

2024-07-11

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#7

20240186039

2024-06-06

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR FORMING INSULATING COATING

#8

20240183012

2024-06-06

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR FORMING INSULATING COATING

#9

20240177901

2024-05-30

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#10

20240177899

2024-05-30

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#11

20240150874

2024-05-09

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

#12

20240136095

2024-04-25

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#13

20230304123

2023-09-28

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#14

20230175090

2023-06-08

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

#15

20230042915

2023-02-09

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

#16

20220170131

2022-06-02

METHOD OF MANUFACTURING LOW IRON LOSS GRAIN ORIENTED ELECTRICAL STEEL SHEET

#17

20220102035

2022-03-31

Grain-oriented electrical steel sheet, and steel sheet serving as base sheet for grain-oriented electrical steel sheet

#18

20220056585

2022-02-24

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

#19

20220042136

2022-02-10

Grain-oriented electrical steel sheet and method for manufacturing same

#20

20210381072

2021-12-09

Coating liquid for forming insulation coating for grain-oriented electrical steel sheets, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet

#21

20210317542

2021-10-14

Base sheet for grain-oriented electrical steel sheet, grain-oriented silicon steel sheet which is used as material of base sheet for grain-oriented electrical steel sheet, method of manufacturing base sheet for grain-oriented electrical steel sheet, and method of manufacturing grain-oriented electrical steel sheet

#22

20210310096

2021-10-07

Method for manufacturing a grain-oriented electrical steel sheet

#23

20210287834

2021-09-16

Grain-oriented magnetic steel sheets having chromium-free insulating tension coating, and methods for producing such steel sheets

#24

20210272728

2021-09-02

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREOF

#25

20200208234

2020-07-02

Grain-oriented electrical steel sheet and method of manufacturing same

#26

20200087746

2020-03-19

Grain-oriented electrical steel sheet and method for manufacturing same

#27

20200063268

2020-02-27

Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheet

#28

20200056256

2020-02-20

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

#29

20190292623

2019-09-26

Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core

#30

20190271054

2019-09-05

Method of producing grain-oriented electrical steel sheet

#31

20190256985

2019-08-22

Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet

#32

20180371621

2018-12-27

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#33

20180371620

2018-12-27

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#34

20180371576

2018-12-27

Annealing separator for oriented electrical steel sheet, oriented electrical steel sheet, and manufacturing method of oriented electrical steel sheet

#35

20180237876

2018-08-23

METHOD FOR PRODUCING A GRAIN-ORIENTED ELECTRICAL STEEL STRIP AND GRAIN-ORIENTED ELECTRICAL STEEL STRIP

#36

20180137958

2018-05-17

Grain oriented electrical steel with improved forsterite coating characteristics

#37

20180119244

2018-05-03

GRAIN-ORIENTED ELECTRICAL STEEL SHEET, MANUFACTURING METHOD THEREFOR, AND METHOD FOR PREDICTING TRANSFORMER NOISE PROPERTY

#38

20180066346

2018-03-08

Grain-oriented electrical steel sheet and method for manufacturing same

#39

20180037965

2018-02-08

Grain-oriented electrical steel sheet and production method therefor

#40

20180010206

2018-01-11

Grain-oriented electrical steel plate and production method therefor

#41

20180002773

2018-01-04

Grain-oriented electrical steel sheet and method of manufacturing same

#42

20170298467

2017-10-19

LOW IRON LOSS GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#43

20170240987

2017-08-24

Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core

#44

20170233871

2017-08-17

Pre-coating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet comprising same, and manufacturing method therefor

#45

20170182591

2017-06-29

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

#46

20160305026

2016-10-20

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#47

20160281186

2016-09-29

Grain Oriented Electrical Steel Flat Product Comprising an Insulation Coating

#48

20160260531

2016-09-08

Grain-oriented electrical steel sheet having excellent magnetic characteristics and coating adhesion

#49

20160230240

2016-08-11

Grain-oriented electrical steel sheet and method for manufacturing same

#50

20160133368

2016-05-12

Grain-oriented electrical steel sheet and transformer iron core using same

#51

20160035469

2016-02-04

Non-oriented electrical steel sheet and manufacturing method thereof

#52

20160030968

2016-02-04

Coating device and coating method

#53

20150332822

2015-11-19

Method of manufacturing grain oriented electrical steel sheet

#54

20150064481

2015-03-05

Grain oriented electrical steel with improved forsterite coating characteristics

#55

20150010762

2015-01-08

Grain-oriented electrical steel sheet

#56

20140377573

2014-12-25

DIRECTIONAL ELECTROMAGNETIC STEEL SHEET WITH COATING, AND METHOD FOR PRODUCING SAME

#57

20140245926

2014-09-04

Treatment solution for insulation coating for grain-oriented electrical steel sheets

#58

20140106130

2014-04-17

Grain oriented electrical steel sheet and method of producing grain oriented electrical steel sheet

#59

20140004380

2014-01-02

Method for producing a grain-orientated electric strip

#60

20130143050

2013-06-06

Grain oriented electrical steel sheet and method for manufacturing the same

#61

20130133783

2013-05-30

Grain oriented electrical steel sheet

#62

20130130043

2013-05-23

Grain oriented electrical steel sheet and method for manufacturing the same

#63

20130112319

2013-05-09

Grain oriented electrical steel sheet and method for manufacturing the same

#64

20130098508

2013-04-25

Grain oriented electrical steel sheet and method for manufacturing the same

#65

20130098507

2013-04-25

Grain oriented electrical steel sheet and method for manufacturing the same

#66

20120305140

2012-12-06

Non-oriented electrical steel sheet and manufacturing method thereof

#67

20110067786

2011-03-24

Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating

#68

20110039122

2011-02-17

Method for Producing a Grain-Oriented Magnetic Strip

#69

20110039114

2011-02-17

Grain-oriented electrical steel sheet and producing method therefor

#70

20090233114

2009-09-17

Grain-oriented electrical steel sheet having high tensile strength insulating film and method of treatment of such insulating film

#71

20080190520

2008-08-14

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

#72

20050112377

2005-05-26

Grain-oriented magnetic steel sheet comprising an electrically insulating coating