Inventor · disambiguated record
Hiroshi Katada
Also filed as: KATADA HIROSHI
16 granted patents·626 citations·filing 1979–2003
95Inventor score
Top patents by PatentIndex Score
16 records- 0191US6329781B1Control apparatus of synchronous motorsHITACHI LTD·Filed 2000·Granted Dec 11, 2001·99 cites·8 claims
- 0290US5914582APermanent magnet synchronous motor controller and electric vehicle controllerHITACHI LTD·Filed 1998·Granted Jun 22, 1999·136 cites·14 claims
- 0390US4715353AUltrasonic wave type fuel atomizing apparatus for internal combustion engineHITACHI LTD·Filed 1986·Granted Dec 29, 1987·43 cites·6 claims
- 0485US6752226B2System for driving hybrid vehicle, method thereof and electric power supply system thereforHITACHI LTD·Filed 2003·Granted Jun 22, 2004·41 cites·1 claims
- 0579US5677611AControl apparatus for an electric vehicleHITACHI LTD·Filed 1996·Granted Oct 14, 1997·60 cites·7 claims
- 0679US4615318AIgnition apparatus for internal combustion engineHITACHI LTD·Filed 1985·Granted Oct 7, 1986·22 cites·4 claims
- 0771US5990657AInverter system and control system for electric vehicleHITACHI LTD·Filed 1997·Granted Nov 23, 1999·40 cites·11 claims
- 0871US4292943AContactless ignition system for use with internal combustion enginesHITACHI LTD·Filed 1979·Granted Oct 6, 1981·13 cites·10 claims
- 0969US5877601AControl 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
- 1067US6766874B2System for driving hybrid vehicle, method thereof and electric power supply system thereforHITACHI LTD·Filed 1999·Granted Jul 27, 2004·46 cites·20 claims
- 1154US6236172B1Driving system for electric vehicleHITACHI LTD·Filed 1999·Granted May 22, 2001·31 cites·4 claims
- 1248US4284046AContactless ignition system for internal combustion engineHITACHI LTD·Filed 1980·Granted Aug 18, 1981·11 cites·4 claims
- 1346US4503823AIgnition timing control apparatus for internal combustion engineHITACHI LTD·Filed 1982·Granted Mar 12, 1985·9 cites·5 claims
- 1445US4292942AIgnition system for internal combustion enginesHITACHI LTD·Filed 1980·Granted Oct 6, 1981·10 cites·4 claims
- 1544US4627399ALoad detecting apparatus and ignition control apparatus for internal combustion enginesHITACHI LTD·Filed 1985·Granted Dec 9, 1986·5 cites·21 claims
- 1642US6020696AControl device and method for controlling synchronous motor of electric vehicleNISSAN MOTOR·Filed 1997·Granted Feb 1, 2000·19 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →