Inventor · disambiguated record
Tsutomu Shirakawa
Also filed as: SHIRAKAWA TSUTOMU
28 granted patents·4 pending applications·265 citations·filing 1987–2018
96Inventor score
Top patents by PatentIndex Score
32 records- 0198US6527266B1Clamping apparatus with datum functionKOSMEK KK·Filed 2000·Granted Mar 4, 2003·85 cites·7 claims
- 0283US5063648AApparatus and method for replacing working-object of processing machineKOSMEK KK·Filed 1989·Granted Nov 12, 1991·28 cites·6 claims
- 0381US10024927B2Connector for monitoring the voltage of a fuel cell stackTOYOTA MOTOR CO LTD·Filed 2014·Granted Jul 17, 2018·4 cites·3 claims
- 0478US8298712B2Fuel cell system, and control method for fuel cellSHIRAKAWA TSUTOMU·Filed 2008·Granted Oct 30, 2012·4 cites·17 claims
- 0577US9847540B2Fuel cell unitTOYOTA MOTOR CO LTD·Filed 2014·Granted Dec 19, 2017·2 cites·6 claims
- 0676US7303186B2Aligning drive mechanism and positioning apparatus having this mechanismKOSMEK LTD·Filed 2003·Granted Dec 4, 2007·19 cites·22 claims
- 0772US7165763B2Positioning deviceKOSMEK LTD·Filed 2003·Granted Jan 23, 2007·11 cites·8 claims
- 0872US4932640AHydraulic clampKOSMEK KK·Filed 1989·Granted Jun 12, 1990·25 cites·12 claims
- 0965US8318380B2Fuel cell and vehicle having fuel cellOGAWA TOMOHIRO·Filed 2008·Granted Nov 27, 2012·1 cites·21 claims
- 1065US5217727AApparatus for placing a moldKOSMEK KK·Filed 1992·Granted Jun 8, 1993·13 cites·6 claims
- 1162US6457406B1Overload protector for mechanical pressKOSMEK KK·Filed 2000·Granted Oct 1, 2002·5 cites·11 claims
- 1259US9799608B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2015·Granted Oct 24, 2017·1 cites·8 claims
- 1358US6371467B1Movable clamping apparatusKOSMEK KK·Filed 2000·Granted Apr 16, 2002·9 cites·14 claims
- 1457US9327613B2Arrangement structure of inverter in fuel cell vehicleTOYOTA MOTOR CO LTD·Filed 2014·Granted May 3, 2016·1 cites·3 claims
- 1555USD522853SApparatus for clamping a workpieceKOSMEK LTD·Filed 2003·Granted Jun 13, 2006·9 cites·1 claims
- 1655US6220565B1Safety valve assemblyKOSMEK KK·Filed 2000·Granted Apr 24, 2001·7 cites·7 claims
- 1753US8697310B2Fuel cell with voltage detection terminalSHIRAKAWA TSUTOMU·Filed 2008·Granted Apr 15, 2014·0 cites·17 claims
- 1851US10315716B2Fuel cell vehicle and method of mounting power module on fuel cell vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Jun 11, 2019·0 cites·11 claims
- 1951US9981557B2Fuel cell system for vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted May 29, 2018·0 cites·11 claims
- 2051US6499383B2Cylinder assemblyKOSMEK KK·Filed 2001·Granted Dec 31, 2002·4 cites·5 claims
- 2149US4826146AHydraulic clampKOSMEK KK·Filed 1987·Granted May 2, 1989·12 cites·9 claims
- 2248US2010323270A1Fuel cellSHIBATA KAZUNORI·Filed 2008·Application pending·0 cites
- 2347US5147091AClamping apparatusKOSMEK KK·Filed 1991·Granted Sep 15, 1992·12 cites·3 claims
- 2447US2009004537A1Fuel CellYAGAMI YUICHI·Filed 2007·Application pending·0 cites
- 2544US9325109B2Electrical connectorTYCO ELECTRONICS JAPAN G K·Filed 2013·Granted Apr 26, 2016·0 cites·12 claims
- 2643US2019193580A1Electric vehicleTOYOTA MOTOR CO LTD·Filed 2018·Application pending·0 cites
- 2741USD520866SApparatus for clamping a workpieceKOSMEK LTD·Filed 2003·Granted May 16, 2006·4 cites·1 claims
- 2840US10505211B2Fuel cell unit and fuel cell vehicleSHIRAKAWA TSUTOMU·Filed 2013·Granted Dec 10, 2019·0 cites·16 claims
- 2934US2017246964A1Device unitTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 3033US5388977AClamping device for a blow moulding machineKOSMEK KK·Filed 1993·Granted Feb 14, 1995·4 cites·5 claims
- 3132USD520354SApparatus for clamping a workpieceKOSMEK LTD·Filed 2003·Granted May 9, 2006·1 cites·1 claims
- 3232US5110099AHydraulic clamp with direct operated clamping-memberKOSMEK KK·Filed 1991·Granted May 5, 1992·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →