Inventor · disambiguated record
Norikatsu Ishikawa
Also filed as: ISHIKAWA NORIKATSU
8 granted patents·83 citations·filing 1974–1982
86Inventor score
Top patents by PatentIndex Score
8 records- 0170US3983697AExhaust gas cleaning system for internal combustion enginesTOYOTA MOTOR CO LTD·Filed 1974·Granted Oct 5, 1976·21 cites·4 claims
- 0268US4165611ASecondary air feeding device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1977·Granted Aug 28, 1979·24 cites·4 claims
- 0362US4341190AAir-fuel ratio control device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Jul 27, 1982·12 cites·39 claims
- 0451US4343277AThrottle valve opening controllerTOYOTA MOTOR CO LTD·Filed 1980·Granted Aug 10, 1982·8 cites·4 claims
- 0543US4344407ACylinder head, ports, and piston configurationTOYOTA MOTOR CO LTD·Filed 1979·Granted Aug 17, 1982·7 cites·3 claims
- 0639US4432324AAir-fuel ratio control device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1982·Granted Feb 21, 1984·4 cites·16 claims
- 0735US4480734AHydraulically operative clutch type transmissionAISIN SEIKI·Filed 1982·Granted Nov 6, 1984·4 cites·4 claims
- 0834US4383512AAir-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 →