Inventor · disambiguated record
Hiroyuki Kawata
Also filed as: KAWATA HIROYUKI
88 granted patents·14 pending applications·544 citations·filing 1990–2025
99Inventor score
Files withNIPPON STEEL CORP37NIPPON STEEL & SUMITOMO METAL CORP27DENSO CORP11KAWATA HIROYUKI7NIPPON DENSO CO2
Top patents by PatentIndex Score
102 records- 0197US9479025B2Drive device and electric power steering device including the drive deviceDENSO CORP·Filed 2015·Granted Oct 25, 2016·15 cites·12 claims
- 0297US9359004B2Driver unit and electric power steering device including the driver unitDENSO CORP·Filed 2015·Granted Jun 7, 2016·13 cites·7 claims
- 0397US7207187B2Inverter-integrated motor for an automotive vehicleDENSO CORP·Filed 2003·Granted Apr 24, 2007·126 cites·18 claims
- 0496US9162422B2High-strength hot-dip galvanized steel sheet, high-strength alloyed hot-dip galvanized steel sheet excellent in bake hardenability, and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Oct 20, 2015·8 cites·22 claims
- 0596US8951366B2High-strength cold-rolled steel sheet and method of manufacturing thereofSANO KOHICHI·Filed 2011·Granted Feb 10, 2015·19 cites·19 claims
- 0695US11905570B2Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Feb 20, 2024·2 cites·1 claims
- 0795US11814708B2Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Nov 14, 2023·2 cites·2 claims
- 0895US11274356B2Steel sheet, hot-dip galvanized steel sheet and galvannealed steel sheetNIPPON STEEL CORP·Filed 2017·Granted Mar 15, 2022·8 cites·19 claims
- 0995US8993120B2High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Mar 31, 2015·10 cites·11 claims
- 1095US8932729B2High-strength hot-dip galvanized steel sheet excellent in impact resistance property and high-strength alloyed hot-dip galvanized steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Jan 13, 2015·9 cites·5 claims
- 1194US9896751B2High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of sameKAWATA HIROYUKI·Filed 2012·Granted Feb 20, 2018·9 cites·12 claims
- 1292US11801897B2Frame memberNIPPON STEEL CORP·Filed 2019·Granted Oct 31, 2023·2 cites·7 claims
- 1392US7009318B2Electric refrigeration compressor having a cooling system for an electrical circuitDENSO CORP·Filed 2003·Granted Mar 7, 2006·51 cites·20 claims
- 1491US10724114B2High-strength cold-rolled steel sheet, high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jul 28, 2020·2 cites·9 claims
- 1591US9473004B2Drive device and electric power steering device including the drive deviceDENSO CORP·Filed 2015·Granted Oct 18, 2016·6 cites·10 claims
- 1691US9234268B2High-strength galvanized steel sheet excellent in bendability and manufacturing method thereofKAWATA HIROYUKI·Filed 2012·Granted Jan 12, 2016·6 cites·4 claims
- 1790US11447848B2Steel sheet and manufacturing method of thereforNIPPON STEEL CORP·Filed 2018·Granted Sep 20, 2022·2 cites·10 claims
- 1890US11377710B2Steel sheet and manufacturing method thereforNIPPON STEEL CORP·Filed 2018·Granted Jul 5, 2022·2 cites·12 claims
- 1990US11027361B2Spot-welded joint and spot welding methodNIPPON STEEL & SUMITOMO METAL CORP·Filed 2018·Granted Jun 8, 2021·3 cites·1 claims
- 2090US10350701B2Method of spot weldingNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jul 16, 2019·4 cites·16 claims
- 2189US10704132B2High-strength hot-dip galvanized steel sheet excellent in impact peeling resistance and worked portion corrosion resistanceNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jul 7, 2020·2 cites·8 claims
- 2289US10351937B2High-strength steel sheet excellent in impact resistance and manufacturing method thereof, and high-strength galvanized steel sheet and manufacturing method thereofKAWATA HIROYUKI·Filed 2012·Granted Jul 16, 2019·5 cites·12 claims
- 2389US7081691B2Switching device for controlling large amount of currentDENSO CORP·Filed 2003·Granted Jul 25, 2006·43 cites·7 claims
- 2489US2024182997A1Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2024·Application pending·0 cites
- 2587US10501832B2Plated steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Dec 10, 2019·2 cites·6 claims
- 2686US9708679B2High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet excellent in mechanical cutting property, and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Jul 18, 2017·3 cites·7 claims
- 2785US11035021B2High-strength steel sheet and high-strength galvanized steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jun 15, 2021·1 cites·8 claims
- 2885US9139885B2High-strength steel sheet and high-strength zinc-coated steel sheet which have excellent ductility and stretch-flangeability and manufacturing method thereofKAWATA HIROYUKI·Filed 2011·Granted Sep 22, 2015·3 cites·17 claims
- 2984US8962149B2Spot welded jointOIKAWA HATSUHIKO·Filed 2010·Granted Feb 24, 2015·7 cites·8 claims
- 3082US8796971B2Motor drive apparatusTSUBOI TAKASHI·Filed 2012·Granted Aug 5, 2014·6 cites·11 claims
- 3182US5243525ASuspension control systemNIPPON DENSO CO·Filed 1990·Granted Sep 7, 1993·53 cites·28 claims
- 3280US10822672B2Steel sheet, hot-dip galvanized steel sheet, galvanized steel sheet, and manufacturing methods thereforNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Nov 3, 2020·1 cites·8 claims
- 3380US10808291B2Steel sheet, hot-dip galvanized steel sheet, galvannealed steel sheet, and manufacturing methods thereforNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Oct 20, 2020·1 cites·22 claims
- 3480US9988700B2High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereofMINAMI AKINOBU·Filed 2012·Granted Jun 5, 2018·3 cites·14 claims
- 3580US9702035B2High-strength hot-dip galvanized steel sheet excellent in impact resistance property and manufacturing method thereof, and high-strength alloyed hot-dip galvanized steel sheet and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Jul 11, 2017·5 cites·7 claims
- 3680US9610648B2Spot welded joint and spot welding methodNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Apr 4, 2017·3 cites·14 claims
- 3779US2025369064A1Steel sheet and method of manufacturing the sameNIPPON STEEL CORP·Filed 2025·Application pending·0 cites
- 3878US12371758B2Steel sheet and method of manufacturing the sameNIPPON STEEL CORP·Filed 2020·Granted Jul 29, 2025·0 cites·6 claims
- 3975US9694561B2High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of sameKAWATA HIROYUKI·Filed 2012·Granted Jul 4, 2017·1 cites·20 claims
- 4074US8786149B2Motor and motor for electric power steeringYAMASHITA YUUJI·Filed 2012·Granted Jul 22, 2014·4 cites·9 claims
- 4168US10113223B2Hot-dip galvanized steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Oct 30, 2018·2 cites·20 claims
- 4266US6645859B1Semiconductor device and manufacturing method thereofMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 11, 2003·11 cites·6 claims
- 4365US12221661B2Steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Feb 11, 2025·0 cites·13 claims
- 4464US10822683B2Hot-dip galvanized steel sheetNIPPON STEEL CORP·Filed 2015·Granted Nov 3, 2020·0 cites·16 claims
- 4564US10822684B2Hot-dip galvanized steel sheetNIPPON STEEL CORP·Filed 2015·Granted Nov 3, 2020·0 cites·16 claims
- 4663US11866800B2Steel sheet and method of manufacturing the sameNIPPON STEEL CORP·Filed 2020·Granted Jan 9, 2024·0 cites·12 claims
- 4763US8896171B2Motor drive apparatus having a simplified assembling structureUCHIDA TAKAYUKI·Filed 2012·Granted Nov 25, 2014·1 cites·12 claims
- 4862US12467121B2Galvanized steel sheetNIPPON STEEL CORP·Filed 2021·Granted Nov 11, 2025·0 cites·11 claims
- 4962US11970752B2Steel sheetNIPPON STEEL CORP·Filed 2020·Granted Apr 30, 2024·0 cites·2 claims
- 5061US11732321B2Steel sheet and method of producing sameNIPPON STEEL CORP·Filed 2020·Granted Aug 22, 2023·0 cites·4 claims
Showing the top 50 of 102 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →