Inventor · disambiguated record
Haruyuki Obata
Also filed as: OBATA HARUYUKI
10 granted patents·221 citations·filing 1980–1995
91Inventor score
Top patents by PatentIndex Score
10 records- 0192US5469818AVariable valve timing control device for an engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Nov 28, 1995·74 cites·9 claims
- 0284US5209194AVariable valve timing apparatusNIPPON DENSO CO·Filed 1992·Granted May 11, 1993·40 cites·26 claims
- 0369US4434775AApparatus for controlling pressurized air supply to enginesNIPPON DENSO CO·Filed 1982·Granted Mar 6, 1984·21 cites·18 claims
- 0467US4466414ASupercharged internal combustion engineNIPPON DENSO CO·Filed 1982·Granted Aug 21, 1984·20 cites·13 claims
- 0567US4345573ABlow-gas treating and controlling systemTOYOTA MOTOR CO LTD·Filed 1980·Granted Aug 24, 1982·20 cites·3 claims
- 0662US4341190AAir-fuel ratio control device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Jul 27, 1982·12 cites·39 claims
- 0753US5215046ARotational phase difference adjusting meansNIPPON DENSO CO·Filed 1992·Granted Jun 1, 1993·14 cites·20 claims
- 0847US4513945AElectromagnetic reed valveNIPPON DENSO CO·Filed 1982·Granted Apr 30, 1985·13 cites·1 claims
- 0939US4432324AAir-fuel ratio control device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1982·Granted Feb 21, 1984·4 cites·16 claims
- 1034US4383512AAir-fuel ratio control device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted May 17, 1983·3 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →