Inventor · disambiguated record
Yoshiyuki Ushigami
Also filed as: USHIGAMI YOSHIYUKI
72 granted patents·8 pending applications·280 citations·filing 1988–2022
98Inventor score
Files withNIPPON STEEL CORP61MURAKAMI KENICHI4NIPPON STEEL & SUMITOMO METAL CORP4ARITA YOSHIHIRO2FUJIKURA MASAHIRO2
Top patents by PatentIndex Score
80 records- 0195US12065712B2Grain-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2020·Granted Aug 20, 2024·2 cites·2 claims
- 0294US11946113B2Method for producing grain oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Apr 2, 2024·2 cites·9 claims
- 0391US8790471B2Grain-oriented electrical steel sheet and manufacturing method thereofSAKAI TATSUHIKO·Filed 2010·Granted Jul 29, 2014·4 cites·10 claims
- 0487US5512110AProcess for production of grain oriented electrical steel sheet having excellent magnetic propertiesNIPPON STEEL CORP·Filed 1995·Granted Apr 30, 1996·37 cites·10 claims
- 0585US8202374B2Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheetKUMANO TOMOJI·Filed 2010·Granted Jun 19, 2012·4 cites·12 claims
- 0684US5961744AGrain oriented silicon steel sheet having low core loss and method of manufacturing sameNIPPON STEEL CORP·Filed 1995·Granted Oct 5, 1999·34 cites·10 claims
- 0781US8778095B2Method of manufacturing grain-oriented electrical steel sheetIWANAGA ISAO·Filed 2011·Granted Jul 15, 2014·4 cites·17 claims
- 0881US7857915B2Grain-oriented electrical steel sheet extremely excellent in magnetic properties and method of production of sameNIPPON STEEL CORP·Filed 2006·Granted Dec 28, 2010·4 cites·8 claims
- 0980US9728312B2Non-oriented electrical steel sheet and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Aug 8, 2017·2 cites·4 claims
- 1080US7976645B2Method of production of grain-oriented electrical steel sheet having a high magnetic flux densityNIPPON STEEL CORP·Filed 2007·Granted Jul 12, 2011·4 cites·9 claims
- 1179US5082509AMethod of producing oriented electrical steel sheet having superior magnetic propertiesNIPPON STEEL CORP·Filed 1990·Granted Jan 21, 1992·24 cites·16 claims
- 1276US6613160B2Method to produce grain-oriented electrical steel sheet having high magnetic flux densityNIPPON STEEL CORP·Filed 2001·Granted Sep 2, 2003·10 cites·6 claims
- 1375US9175362B2Method of manufacturing grain-oriented electrical steel sheetMURAKAMI KENICHI·Filed 2011·Granted Nov 3, 2015·1 cites·19 claims
- 1475US7815754B2Grain-oriented electrical steel sheet superior in core loss characteristicNIPPON STEEL CORP·Filed 2007·Granted Oct 19, 2010·2 cites·6 claims
- 1574US11884988B2Base 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 sheetNIPPON STEEL CORP·Filed 2018·Granted Jan 30, 2024·0 cites·18 claims
- 1674US5415703AVery thin electrical steel strip having low core loss and high magnetic flux density and a process for producing the sameNIPPON STEEL CORP·Filed 1993·Granted May 16, 1995·19 cites·1 claims
- 1772US8366836B2Manufacturing method of grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2010·Granted Feb 5, 2013·1 cites·25 claims
- 1871US11189407B2Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2018·Granted Nov 30, 2021·0 cites·6 claims
- 1970US4997493AProcess for production of double-oriented electrical steel sheet having high flux densityNIPPON STEEL CORP·Filed 1988·Granted Mar 5, 1991·12 cites·20 claims
- 2069US11060159B2Grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2018·Granted Jul 13, 2021·0 cites·10 claims
- 2169US5346559AProcess for manufacturing double oriented electrical steel sheet having high magnetic flux densityNIPPON STEEL CORP·Filed 1993·Granted Sep 13, 1994·14 cites·2 claims
- 2268US9659693B2Grain-oriented electrical steel sheet and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted May 23, 2017·0 cites·6 claims
- 2367US12378676B2Grain-oriented electrical steel sheet and manufacturing method of the sameNIPPON STEEL CORP·Filed 2020·Granted Aug 5, 2025·0 cites·5 claims
- 2467US11557413B2Grain-oriented electrical steel sheet and method of producing the sameNIPPON STEEL CORP·Filed 2020·Granted Jan 17, 2023·0 cites·17 claims
- 2567US10214791B2Non-oriented electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Feb 26, 2019·0 cites·4 claims
- 2667US9512500B2Non-oriented electrical steel sheet, method of manufacturing the same, laminate for motor iron core, and method of manufacturing the sameFUJIKURA MASAHIRO·Filed 2012·Granted Dec 6, 2016·1 cites·16 claims
- 2767US5145533AProcess for producing grain-oriented electrical steel sheet having excellent magnetic characteristicNIPPON STEEL CORP·Filed 1991·Granted Sep 8, 1992·14 cites·5 claims
- 2867US2024254602A1Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 2966US11970751B2Grain-oriented electrical steel sheet and method for manufacturing the sameNIPPON STEEL CORP·Filed 2020·Granted Apr 30, 2024·0 cites·8 claims
- 3066US8409368B2Manufacturing method of grain-oriented magnetic steel sheetUSHIGAMI YOSHIYUKI·Filed 2010·Granted Apr 2, 2013·1 cites·25 claims
- 3166US8303730B2Manufacturing method of grain-oriented electrical steel sheetKUMANO TOMOJI·Filed 2009·Granted Nov 6, 2012·2 cites·9 claims
- 3264US11898215B2Grain-oriented electrical steel sheet and method for manufacturing the sameNIPPON STEEL CORP·Filed 2020·Granted Feb 13, 2024·0 cites·7 claims
- 3364US5186762AProcess for producing grain-oriented electrical steel sheet having high magnetic flux densityNIPPON STEEL CORP·Filed 1991·Granted Feb 16, 1993·12 cites·7 claims
- 3463US12217889B2Grain-oriented electrical steel sheet, and steel sheet serving as base sheet for grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Feb 4, 2025·0 cites·15 claims
- 3562US12331377B2Grain-oriented electrical steel sheet, intermediate steel sheet for grain-oriented electrical steel sheet, and methods for manufacturing sameNIPPON STEEL CORP·Filed 2020·Granted Jun 17, 2025·0 cites·3 claims
- 3662US11450460B2Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2018·Granted Sep 20, 2022·0 cites·5 claims
- 3762US11346005B2Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2018·Granted May 31, 2022·0 cites·9 claims
- 3862US11225706B2Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2018·Granted Jan 18, 2022·0 cites·4 claims
- 3960US7976644B2Method of production of grain-oriented electrical steel sheet with high magnetic flux densityNIPPON STEEL CORP·Filed 2007·Granted Jul 12, 2011·2 cites·16 claims
- 4059US11469017B2Grain oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted Oct 11, 2022·0 cites·7 claims
- 4158US12359275B2Method for manufacturing grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Jul 15, 2025·0 cites·11 claims
- 4258US12123068B2Grain oriented electrical steel sheet and producing method thereofNIPPON STEEL CORP·Filed 2018·Granted Oct 22, 2024·0 cites·16 claims
- 4358US11952646B2Grain-oriented electrical steel sheet having excellent insulation coating adhesion without forsterite coatingNIPPON STEEL CORP·Filed 2020·Granted Apr 9, 2024·0 cites·2 claims
- 4458US11186891B2Grain-oriented electrical steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2018·Granted Nov 30, 2021·0 cites·5 claims
- 4556US12195832B2Method for producing grain oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Jan 14, 2025·0 cites·7 claims
- 4655US12454745B2Method for producing grain oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Oct 28, 2025·0 cites·10 claims
- 4755US12195818B2Method for producing grain oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Jan 14, 2025·0 cites·7 claims
- 4855US12173378B2Method for manufacturing grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Dec 24, 2024·0 cites·4 claims
- 4955US12123084B2Method for producing grain oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Oct 22, 2024·0 cites·7 claims
- 5055US11466338B2Grain oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted Oct 11, 2022·0 cites·5 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →