Inventor · disambiguated record
Tomoyuki Okubo
Also filed as: OKUBO TOMOYUKI
35 granted patents·29 pending applications·47 citations·filing 2012–2025
95Inventor score
Top patents by PatentIndex Score
64 records- 0197US11136645B2Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor coreJFE STEEL CORP·Filed 2018·Granted Oct 5, 2021·6 cites·4 claims
- 0296US11946123B2Method of producing a non-oriented electrical steel sheetJFE STEEL CORP·Filed 2023·Granted Apr 2, 2024·1 cites·4 claims
- 0395US10526673B2Non-oriented electrical steel sheet and method for producing the same, and motor core and method of producing the sameJFE STEEL CORP·Filed 2015·Granted Jan 7, 2020·5 cites·16 claims
- 0495US9194016B2Annealing separator for grain-oriented electromagnetic steel sheetJFE STEEL CORP·Filed 2012·Granted Nov 24, 2015·7 cites·2 claims
- 0593US11142813B2Non-oriented electrical steel sheet and manufacturing method thereforJFE STEEL CORP·Filed 2017·Granted Oct 12, 2021·2 cites·20 claims
- 0691US10316382B2Method for producing non-oriented electrical steel sheetsJFE STEEL CORP·Filed 2015·Granted Jun 11, 2019·3 cites·8 claims
- 0791US9290824B2Method of producing grain-oriented electrical steel sheetWATANABE MAKOTO·Filed 2012·Granted Mar 22, 2016·6 cites·16 claims
- 0889US10102951B2Non-oriented electrical steel sheet having excellent magnetic propertiesJFE STEEL CORP·Filed 2014·Granted Oct 16, 2018·4 cites·8 claims
- 0988US11104973B2Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor coreJFE STEEL CORP·Filed 2018·Granted Aug 31, 2021·3 cites·4 claims
- 1085US11718891B2Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing sameJFE STEEL CORP·Filed 2022·Granted Aug 8, 2023·0 cites·4 claims
- 1184US11174526B2Grain-oriented electrical steel sheet and method of manufacturing sameJFE STEEL CORP·Filed 2020·Granted Nov 16, 2021·1 cites·2 claims
- 1283US10941458B2Non-oriented electrical steel sheet, production method therefor, and motor coreJFE STEEL CORP·Filed 2016·Granted Mar 9, 2021·2 cites·14 claims
- 1382US11649532B2Non-oriented electrical steel sheet and method of producing sameJFE STEEL CORP·Filed 2019·Granted May 16, 2023·0 cites·7 claims
- 1482US9617615B2Grain-oriented electrical steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2014·Granted Apr 11, 2017·2 cites·16 claims
- 1581US12448662B2Non-oriented electrical steel sheet and method for producing sameJFE STEEL CORP·Filed 2019·Granted Oct 21, 2025·0 cites·8 claims
- 1681US10704115B2Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheetJFE STEEL CORP·Filed 2015·Granted Jul 7, 2020·1 cites·4 claims
- 1781US9805851B2Grain-oriented electrical steel sheet and method of producing the sameJFE STEEL CORP·Filed 2012·Granted Oct 31, 2017·3 cites·11 claims
- 1881US2025034685A1Non-oriented electrical steel sheet and method for manufacturing slab used as material for the sameJFE STEEL CORP·Filed 2024·Application pending·0 cites
- 1980US11525169B2Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing sameJFE STEEL CORP·Filed 2019·Granted Dec 13, 2022·0 cites·10 claims
- 2080US10626474B2Grain-oriented electrical steel sheet and method of manufacturing sameJFE STEEL CORP·Filed 2015·Granted Apr 21, 2020·1 cites·5 claims
- 2176US2025270668A1Non-oriented electrical steel sheet and method for producing sameJFE STEEL CORP·Filed 2025·Application pending·0 cites
- 2275US12146209B2Non-oriented electrical steel sheet and method for manufacturing slab used as material for the sameJFE STEEL CORP·Filed 2019·Granted Nov 19, 2024·0 cites·8 claims
- 2375US11732319B2Non-oriented electrical steel sheetJFE STEEL CORP·Filed 2019·Granted Aug 22, 2023·0 cites·16 claims
- 2474US12331376B2Non-oriented electrical steel sheet and method for producing sameJFE STEEL CORP·Filed 2020·Granted Jun 17, 2025·0 cites·2 claims
- 2570US2025043398A1Non-oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2669US12348079B2Motor core and method of manufacturing the sameJFE STEEL CORP·Filed 2020·Granted Jul 1, 2025·0 cites·20 claims
- 2768US2024301525A1Non-oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2024·Application pending·0 cites
- 2866US2024290523A1Non-oriented electrical steel sheet and method for producing the sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2966US2024295015A1Non-oriented electrical steel sheet and production method thereofJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3066US2024279783A1Non-oriented electrical steel sheet, method for producing the same, and motor coreJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3163US11286537B2Non-oriented electrical steel sheet and method of producing sameJFE STEEL CORP·Filed 2018·Granted Mar 29, 2022·0 cites·16 claims
- 3263US2024410037A1Method of producing hot-rolled steel sheet for non-oriented electrical steel sheet and method of producing non-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3362US10760143B2High-silicon steel sheet and method of manufacturing the sameJFE STEEL CORP·Filed 2016·Granted Sep 1, 2020·0 cites·20 claims
- 3462US2025101541A1Method of producing hot-rolled steel sheet for non-oriented electrical steel sheet, method of producing non-oriented electrical steel sheet, and hot-rolled steel sheet for non-oriented electrical steel sheetJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 3562US2025115982A1Non-oriented electrical steel sheet and method of producing sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 3662US2025196471A1Non-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3761US11962184B2Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor coreJFE STEEL CORP·Filed 2020·Granted Apr 16, 2024·0 cites·20 claims
- 3861US2025179601A1Non-oriented electrical steel sheet and method of producing sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 3961US2024271255A1Non-oriented electrical steel sheet and production method thereofJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4061US2025101542A1Non-oriented electrical steel sheet and method of producing sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 4160US12381024B2Non-oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2020·Granted Aug 5, 2025·0 cites·16 claims
- 4260US11404189B2Non-oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2018·Granted Aug 2, 2022·0 cites·8 claims
- 4360US2025066886A1Non-oriented electrical steel sheetJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4459US11894167B2Grain-oriented electrical steel sheet, iron core of transformer, transformer, and method for reducing noise of transformerJFE STEEL CORP·Filed 2017·Granted Feb 6, 2024·0 cites·20 claims
- 4558US11056256B2Non-oriented electrical steel sheet and method of producing sameJFE STEEL CORP·Filed 2017·Granted Jul 6, 2021·0 cites·8 claims
- 4657US2022010400A1Method of manufacturing non-oriented electrical steel sheetJFE STEEL CORP·Filed 2019·Application pending·0 cites
- 4754US2025146093A1Non-oriented electrical steel sheet and method for producing the sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4853US9640320B2Method of producing grain-oriented electrical steel sheetWATANABE MAKOTO·Filed 2012·Granted May 2, 2017·0 cites·4 claims
- 4951US11225699B2Method for producing non-oriented electrical steel sheetJFE STEEL CORP·Filed 2016·Granted Jan 18, 2022·0 cites·12 claims
- 5051US10975451B2Method for producing non-oriented electrical steel sheet having excellent magnetic propertiesJFE STEEL CORP·Filed 2016·Granted Apr 13, 2021·0 cites·12 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →