Inventor · disambiguated record
Hirohisa Yamamura
Also filed as: YAMAMURA HIROHISA
20 granted patents·1 pending application·1,220 citations·filing 1977–2001
96Inventor score
Top patents by PatentIndex Score
21 records- 0196US6166937AInverter device with cooling arrangement thereforHITACHI LTD·Filed 1999·Granted Dec 26, 2000·265 cites·1 claims
- 0296US4874053ATorque detecting apparatusHITACHI LTD·Filed 1988·Granted Oct 17, 1989·118 cites·35 claims
- 0395US6414867B2Power inverterHITACHI LTD·Filed 2001·Granted Jul 2, 2002·169 cites·5 claims
- 0493US5481460AController for electric vehicleHITACHI LTD·Filed 1991·Granted Jan 2, 1996·109 cites·15 claims
- 0585US5793106ASemiconductor deviceHITACHI LTD·Filed 1996·Granted Aug 11, 1998·86 cites·15 claims
- 0685US5345155AControl system for electric vehicleHITACHI LTD·Filed 1992·Granted Sep 6, 1994·100 cites·7 claims
- 0781US4865148AVehicle height control apparatus responsive to power steering operationHITACHI LTD·Filed 1988·Granted Sep 12, 1989·45 cites·6 claims
- 0879US6021040APower storage device and power converter using sameHITACHI LTD·Filed 1998·Granted Feb 1, 2000·55 cites·5 claims
- 0979US5309073AElectric vehicle control deviceHITACHI LTD·Filed 1992·Granted May 3, 1994·67 cites·21 claims
- 1078US4752771AElectronic instrument panelHITACHI LTD·Filed 1985·Granted Jun 21, 1988·42 cites·5 claims
- 1176US4096418AAutomatic change-gear control device for use in electromobileAGENCY IND SCIENCE TECHN·Filed 1977·Granted Jun 20, 1978·23 cites·1 claims
- 1269US5304912AControl apparatus for induction motorHITACHI LTD·Filed 1992·Granted Apr 19, 1994·50 cites·14 claims
- 1362US4926960AElectric power steering apparatus for vehicleHITACHI LTD·Filed 1988·Granted May 22, 1990·21 cites·4 claims
- 1461US4665497AElectronic odometerHITACHI LTD·Filed 1984·Granted May 12, 1987·14 cites·6 claims
- 1554US6271601B1Wire bonding method and apparatus and semiconductor deviceHITACHI LTD·Filed 1999·Granted Aug 7, 2001·16 cites·14 claims
- 1653US4736198AMulti-color liquid crystal display systemHITACHI LTD·Filed 1985·Granted Apr 5, 1988·12 cites·18 claims
- 1745US4960178AMotor-driven power steering apparatusHITACHI LTD·Filed 1988·Granted Oct 2, 1990·10 cites·4 claims
- 1842US5270578AMethod and system for controlling electric loads with high reliabilityHITACHI LTD·Filed 1991·Granted Dec 14, 1993·16 cites·13 claims
- 1938US2001042925A1Wire bonding method and apparatus, and semiconductor deviceFiled 2001·Application pending·0 cites
- 2030US6410978B1Semiconductor deviceHITACHI LTD·Filed 1999·Granted Jun 25, 2002·1 cites·20 claims
- 2128US4708440ALiquid crystal display deviceHITACHI LTD·Filed 1986·Granted Nov 24, 1987·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →