Inventor · disambiguated record
Hiroo Utsumi
Also filed as: UTSUMI HIROO
7 granted patents·108 citations·filing 1981–1999
85Inventor score
Top patents by PatentIndex Score
7 records- 0184US6054826ABackward drive control system for motorcycleDENSO CORP·Filed 1999·Granted Apr 25, 2000·47 cites·12 claims
- 0284US4519362ARotational position detecting apparatus for internal combustion enginesNIPPON DENSO CO·Filed 1984·Granted May 28, 1985·26 cites·4 claims
- 0364US4592324AIgnition control system for internal combustion enginesNIPPON DENSO CO·Filed 1984·Granted Jun 3, 1986·12 cites·8 claims
- 0450US4736323ASignal transmission system between signal processor and ignitorNIPPON DENSO CO·Filed 1982·Granted Apr 5, 1988·7 cites·3 claims
- 0541US4429565AKnocking detecting apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Feb 7, 1984·8 cites·6 claims
- 0637US4416235AIgnition timing control apparatus for internal combustion engineNIPPON DENSO CO·Filed 1981·Granted Nov 22, 1983·4 cites·6 claims
- 0734US4351282AIgnition timing control system for internal combustion engineNIPPON DENSO CO·Filed 1981·Granted Sep 28, 1982·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →