Inventor · disambiguated record
Eiichi Ohtsu
Also filed as: OHTSU EIICHI
11 granted patents·2 pending applications·303 citations·filing 1980–2006
92Inventor score
Top patents by PatentIndex Score
13 records- 0182US5476310ABraking apparatus for electric vehicleHITACHI LTD·Filed 1994·Granted Dec 19, 1995·87 cites·7 claims
- 0269US5877601AControl system for electric vehicle and control method therefor in which an inverter relay is controlled at the time of its re-closing after being disconnectedHITACHI LTD·Filed 1997·Granted Mar 2, 1999·41 cites·6 claims
- 0362US7617673B2Controller for internal combustion engineHITACHI LTD·Filed 2006·Granted Nov 17, 2009·5 cites·4 claims
- 0461US6046553AElectrical vehicle control device having fail-safeNISSAN MOTOR·Filed 1998·Granted Apr 4, 2000·31 cites·5 claims
- 0556US4877081AAir-conditioning apparatus for automobilesHITACHI LTD·Filed 1989·Granted Oct 31, 1989·18 cites·12 claims
- 0655US6255798B1Control apparatus for electric vehicleHITACHI LTD·Filed 1996·Granted Jul 3, 2001·34 cites·5 claims
- 0753US6194865B1Control method and system for electric rotary machineHITACHI LTD·Filed 1999·Granted Feb 27, 2001·32 cites·16 claims
- 0852US5167127ACar air conditionerHITACHI LTD·Filed 1990·Granted Dec 1, 1992·15 cites·17 claims
- 0948US4364428AAutomatic air-conditioning apparatusHITACHI LTD·Filed 1980·Granted Dec 21, 1982·12 cites·10 claims
- 1042US6020696AControl device and method for controlling synchronous motor of electric vehicleNISSAN MOTOR·Filed 1997·Granted Feb 1, 2000·19 cites·8 claims
- 1136US2006196460A1Starting method and system for internal combustion engineNISSAN MOTOR·Filed 2006·Application pending·0 cites
- 1235US2002091470A1Control equipment and method for controlling an electric carHITACHI LTD·Filed 2002·Application pending·0 cites
- 1332US4865119AAir conditioner system for automotive vehiclesHITACHI LTD·Filed 1987·Granted Sep 12, 1989·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →