Inventor · disambiguated record
Karin Kokufu
Also filed as: KOKUFU Karin
11 granted patents·3 pending applications·0 citations·filing 2018–2022
77Inventor score
Files withJFE STEEL CORP14
Top patents by PatentIndex Score
14 records- 0175US12104216B2Annealing separator for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2019·Granted Oct 1, 2024·0 cites·6 claims
- 0274US11926888B2Annealing separator for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2019·Granted Mar 12, 2024·0 cites·10 claims
- 0368US12442053B2Grain-oriented electrical steel sheet, method for manufacturing grain-oriented electrical steel sheet, and method for evaluating grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2021·Granted Oct 14, 2025·0 cites·14 claims
- 0468US11473176B2Oriented electrical steel sheet and method for producing sameJFE STEEL CORP·Filed 2018·Granted Oct 18, 2022·0 cites·12 claims
- 0564US12033791B2Method for forming film and method for manufacturing electrical steel sheet with insulating filmJFE STEEL CORP·Filed 2020·Granted Jul 9, 2024·0 cites·16 claims
- 0663US2025230554A1Pre-treatment liquid and method for manufacturing electromagnetic steel sheet provided with insulating filmJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 0762US11981821B2Insulating coating treatment liquid, and grain-oriented electrical steel sheet having insulating coating and method for producing the sameJFE STEEL CORP·Filed 2019·Granted May 14, 2024·0 cites·20 claims
- 0861US12104257B2Electrical steel sheet with insulating filmJFE STEEL CORP·Filed 2020·Granted Oct 1, 2024·0 cites·21 claims
- 0960US2025116005A1Pre-treatment liquid and method for manufacturing electromagnetic steel sheet provided with insulating filmJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1059US11923115B2Insulating coating-attached electrical steel sheet and manufacturing method thereforJFE STEEL CORP·Filed 2019·Granted Mar 5, 2024·0 cites·8 claims
- 1158US12163232B2Treatment agent for chromium-free insulating coating formation, insulation-coated grain-oriented electrical steel sheet, and method for manufacturing the sameJFE STEEL CORP·Filed 2019·Granted Dec 10, 2024·0 cites·20 claims
- 1255US12234523B2Grain-oriented electrical steel sheet with insulating film and method for manufacturing the sameJFE STEEL CORP·Filed 2020·Granted Feb 25, 2025·0 cites·3 claims
- 1354US12312694B2Production method for treatment solution for forming insulating coating, production method for steel sheet having insulating coating, and production apparatus for treatment solution for forming insulating coatingJFE STEEL CORP·Filed 2019·Granted May 27, 2025·0 cites·16 claims
- 1448US2021202145A1Electrical steel sheet having insulating coating, method for producing the same, transformer core and transformer using the electrical steel sheet, and method for reducing dielectric loss in transformerJFE STEEL CORP·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →