Inventor · disambiguated record
Shigehiro Takajo
Also filed as: TAKAJO SHIGEHIRO
37 granted patents·15 pending applications·38 citations·filing 2012–2025
95Inventor score
Top patents by PatentIndex Score
52 records- 0192US11387025B2Grain-oriented electrical steel sheet and production method thereforJFE STEEL CORP·Filed 2018·Granted Jul 12, 2022·2 cites·3 claims
- 0292US11045902B2Linear groove formation method and linear groove formation deviceJFE STEEL CORP·Filed 2016·Granted Jun 29, 2021·2 cites·5 claims
- 0392US9646749B2Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2012·Granted May 9, 2017·6 cites·7 claims
- 0490US9984800B2Grain-oriented electrical steel sheet and method of manufacturing sameJFE STEEL CORP·Filed 2012·Granted May 29, 2018·4 cites·2 claims
- 0589US10147527B2Grain-oriented electrical steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2012·Granted Dec 4, 2018·4 cites·4 claims
- 0684US10697038B2Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron coreJFE STEEL CORP·Filed 2015·Granted Jun 30, 2020·2 cites·6 claims
- 0783US9761361B2Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2013·Granted Sep 12, 2017·2 cites·4 claims
- 0882US10745773B2Device to improve iron loss properties of grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2012·Granted Aug 18, 2020·2 cites·7 claims
- 0982US10465259B2Grain-oriented electrical steel sheet and production method thereforJFE STEEL CORP·Filed 2016·Granted Nov 5, 2019·1 cites·8 claims
- 1082US9617615B2Grain-oriented electrical steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2014·Granted Apr 11, 2017·2 cites·16 claims
- 1181US10889875B2Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron coreJFE STEEL CORP·Filed 2019·Granted Jan 12, 2021·0 cites·8 claims
- 1278US10559410B2Grain-oriented electrical steel sheet and transformer iron core using sameJFE STEEL CORP·Filed 2014·Granted Feb 11, 2020·1 cites·8 claims
- 1378US10395806B2Grain-oriented electrical steel sheet and method of manufacturing the sameJFE STEEL CORP·Filed 2012·Granted Aug 27, 2019·3 cites·13 claims
- 1478US10062483B2Grain-oriented electrical steel sheet and method for improving iron loss properties thereofJFE STEEL CORP·Filed 2012·Granted Aug 28, 2018·1 cites·3 claims
- 1577US10704113B2Grain oriented electrical steel sheet and production method thereforJFE STEEL CORP·Filed 2015·Granted Jul 7, 2020·1 cites·2 claims
- 1677US10026533B2Grain-oriented electrical steel sheet for iron core and method of manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Jul 17, 2018·1 cites·16 claims
- 1776US9939382B2Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheetJFE STEEL CORP·Filed 2014·Granted Apr 10, 2018·1 cites·20 claims
- 1874US2023212706A1Grain-oriented electrical steel sheet and method of manufacturing sameJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 1973US10031068B2Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing methodJFE STEEL CORP·Filed 2013·Granted Jul 24, 2018·2 cites·20 claims
- 2073US2025154618A1Method of manufacturing a grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2025·Application pending·0 cites
- 2170US11377706B2Device to improve iron loss properties of grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2020·Granted Jul 5, 2022·0 cites·2 claims
- 2269US2025101561A1Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 2367US11781196B2Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheetJFE STEEL CORP·Filed 2017·Granted Oct 10, 2023·0 cites·18 claims
- 2467US11225698B2Grain-oriented electrical steel sheet and process for producing sameJFE STEEL CORP·Filed 2014·Granted Jan 18, 2022·1 cites·9 claims
- 2567US2025171871A1High Strength, Cold Rolled Steel With Reduced Sensitivity to Hydrogen Embrittlement and Method for the Manufacture ThereofTHYSSENKRUPP STEEL EUROPE AG·Filed 2023·Application pending·0 cites
- 2666US2024229199A9Method of manufacturing grain-oriented electrical steel sheet and hot-rolled steel sheet for grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2764US11767571B2Method of producing grain-oriented electrical steel sheet and production line thereforJFE STEEL CORP·Filed 2017·Granted Sep 26, 2023·0 cites·6 claims
- 2864US11326219B2Grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheetJFE STEEL CORP·Filed 2017·Granted May 10, 2022·0 cites·21 claims
- 2964US11031163B2Grain-oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2017·Granted Jun 8, 2021·0 cites·5 claims
- 3063US2024183011A1Method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3163US2025146110A1Method for manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3263US2024150875A1Method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3361US12467104B2Method for forming grooves on metal strip surface and method for manufacturing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2021·Granted Nov 11, 2025·0 cites·8 claims
- 3461US2024233992A9Method of manufacturing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3560US12404563B2Linear groove formation method and method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2020·Granted Sep 2, 2025·0 cites·8 claims
- 3659US10988822B2Grain-oriented electrical steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2016·Granted Apr 27, 2021·0 cites·3 claims
- 3759US10968521B2Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2017·Granted Apr 6, 2021·0 cites·19 claims
- 3858US12195816B2Linear groove formation method and linear groove forming apparatus, and method for manufacturing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2020·Granted Jan 14, 2025·0 cites·20 claims
- 3958US11180834B2Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2017·Granted Nov 23, 2021·0 cites·20 claims
- 4058US10535453B2Grain-oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Jan 14, 2020·0 cites·5 claims
- 4158US10011886B2Grain-oriented electrical steel sheet and manufacturing method thereofJFE STEEL CORP·Filed 2012·Granted Jul 3, 2018·0 cites·6 claims
- 4258US2024352552A1Steel sheet and method of producing sameCLEVELAND CLIFFS STEEL PROPERTIES INC·Filed 2022·Application pending·0 cites
- 4356US2023212703A1Linear groove formation method and method of producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 4455US10020101B2Grain-oriented electrical steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Granted Jul 10, 2018·0 cites·16 claims
- 4554US11091842B2Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheetJFE STEEL CORP·Filed 2017·Granted Aug 17, 2021·0 cites·21 claims
- 4654US10889871B2Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron lossJFE STEEL CORP·Filed 2013·Granted Jan 12, 2021·0 cites·3 claims
- 4753US10730102B2Apparatus for manufacturing metal thin stripJFE STEEL CORP·Filed 2016·Granted Aug 4, 2020·0 cites·10 claims
- 4853US2023366101A1Method for forming groove on metal strip surface and method for manufacturing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 4952US2022275487A1Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2020·Application pending·0 cites
- 5048US9304078B2Electron gun abnormality detecting device and electron gun abnormality detecting methodJFE STEEL CORP·Filed 2013·Granted Apr 5, 2016·0 cites·21 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →