Inventor · disambiguated record
Hiroi Yamaguchi
Also filed as: YAMAGUCHI HIROI
34 granted patents·22 pending applications·152 citations·filing 1996–2023
96Inventor score
Top patents by PatentIndex Score
56 records- 0194US9330839B2Grain oriented electrical steel sheet and method for manufacturing the sameOMURA TAKESHI·Filed 2011·Granted May 3, 2016·7 cites·2 claims
- 0292US9646749B2Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2012·Granted May 9, 2017·6 cites·7 claims
- 0392US9514868B2Grain oriented electrical steel sheet and method for manufacturing the sameOMURA TAKESHI·Filed 2011·Granted Dec 6, 2016·5 cites·5 claims
- 0490US9984800B2Grain-oriented electrical steel sheet and method of manufacturing sameJFE STEEL CORP·Filed 2012·Granted May 29, 2018·4 cites·2 claims
- 0590US8784995B2Grain oriented electrical steel sheet and method for manufacturing the sameOMURA TAKESHI·Filed 2011·Granted Jul 22, 2014·5 cites·2 claims
- 0687US9799432B2Grain oriented electrical steel sheetYAMAGUCHI HIROI·Filed 2011·Granted Oct 24, 2017·4 cites·5 claims
- 0787US9406437B2Grain oriented electrical steel sheet and method for manufacturing the sameOMURA TAKESHI·Filed 2011·Granted Aug 2, 2016·7 cites·1 claims
- 0885US9536658B2Grain oriented electrical steel sheet and method for manufacturing the sameOMURA TAKESHI·Filed 2011·Granted Jan 3, 2017·6 cites·2 claims
- 0984US9708682B2Production method for grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2013·Granted Jul 18, 2017·6 cites·5 claims
- 1084US9396872B2Grain oriented electrical steel sheet and method for manufacturing the sameINOUE HIROTAKA·Filed 2011·Granted Jul 19, 2016·3 cites·1 claims
- 1183US9346123B2Device to improve iron loss properties of grain oriented electrical steel sheet and method for improving iron loss properties of grain oriented electrical steel sheetOKABE SEIJI·Filed 2011·Granted May 24, 2016·7 cites·2 claims
- 1282US9536657B2Grain oriented electrical steel sheet and method for manufacturing the sameOMURA TAKESHI·Filed 2011·Granted Jan 3, 2017·2 cites·4 claims
- 1381US5853499AGrain-oriented electrical steel sheet and method of manufacturing the sameKAWASAKI STEEL CO·Filed 1997·Granted Dec 29, 1998·22 cites·4 claims
- 1479US5718775AGrain-oriented electrical steel sheet and method of manufacturing the sameKAWASAKI STEEL CO·Filed 1996·Granted Feb 17, 1998·27 cites·4 claims
- 1578US10395806B2Grain-oriented electrical steel sheet and method of manufacturing the sameJFE STEEL CORP·Filed 2012·Granted Aug 27, 2019·3 cites·13 claims
- 1678US10062483B2Grain-oriented electrical steel sheet and method for improving iron loss properties thereofJFE STEEL CORP·Filed 2012·Granted Aug 28, 2018·1 cites·3 claims
- 1777US10026533B2Grain-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
- 1877US9875832B2Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2012·Granted Jan 23, 2018·1 cites·12 claims
- 1974US11198917B2Method for nitriding grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2018·Granted Dec 14, 2021·0 cites·7 claims
- 2073US10031068B2Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing methodJFE STEEL CORP·Filed 2013·Granted Jul 24, 2018·2 cites·20 claims
- 2172US9396850B2Grain oriented electrical steel sheet and method for manufacturing the sameYAMAGUCHI HIROI·Filed 2011·Granted Jul 19, 2016·1 cites·3 claims
- 2269US2025101561A1Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 2368US2025075300A1Grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2467US2015354051A1Apparatus and method for nitriding grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2014·Application pending·0 cites
- 2567US2024240293A1Method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2666US10214793B2Method and device for nitriding grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2014·Granted Feb 26, 2019·0 cites·7 claims
- 2766US2016102378A1Grain oriented electrical steel sheet and method of manufacturing the sameJFE STEEL CORP·Filed 2015·Application pending·0 cites
- 2866US2024229199A9Method 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
- 2966US2025163551A1Method of producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 3063US9953752B2Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2013·Granted Apr 24, 2018·1 cites·2 claims
- 3163US9905343B2Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2013·Granted Feb 27, 2018·1 cites·2 claims
- 3263US2024183011A1Method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3363US2025146110A1Method for manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3463US2024150875A1Method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3562US12467106B2Method of producing grain-oriented electrical steel sheet and annealing separator application lineJFE STEEL CORP·Filed 2020·Granted Nov 11, 2025·0 cites·1 claims
- 3662US2024247347A1Method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3762US2024287659A1Method of producing grain-oriented electrical steel sheet and rolling mill for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3862US2024279763A1Method of producing grain-oriented electrical steel sheet and rolling mill for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3962US2016276081A1Grain oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2016·Application pending·0 cites
- 4061US2024233992A9Method of manufacturing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4160US5725681AProcess for producing grain oriented silicon steel sheet, and decarburized sheetKAWASAKI STEEL CO·Filed 1996·Granted Mar 10, 1998·10 cites·8 claims
- 4260US2024052448A1Method of manufacturing grain-oriented electrical steel sheet and rolling apparatus for manufacturing electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4360US2023307160A1Method for manufacturing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 4458US10011886B2Grain-oriented electrical steel sheet and manufacturing method thereofJFE STEEL CORP·Filed 2012·Granted Jul 3, 2018·0 cites·6 claims
- 4554US10066286B2Apparatus and method for nitriding grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2014·Granted Sep 4, 2018·0 cites·13 claims
- 4654US6136456AGrain oriented electrical steel sheet and methodKAWASAKI STEEL CO·Filed 1998·Granted Oct 24, 2000·16 cites·18 claims
- 4751US11286538B2Method for manufacturing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2018·Granted Mar 29, 2022·0 cites·8 claims
- 4850US6758915B2Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the sameJFE STEEL CORP·Filed 2001·Granted Jul 6, 2004·1 cites·18 claims
- 4949US2019256938A1Method for producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2017·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 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →