Inventor · disambiguated record
Sadao Ichikawa
Also filed as: ICHIKAWA SADAO
4 granted patents·82 citations·filing 1982–1988
78Inventor score
Files withNGK SPARK PLUG CO4
Top patents by PatentIndex Score
4 records- 0181US4450811AController for internal combustion engineNGK SPARK PLUG CO·Filed 1982·Granted May 29, 1984·41 cites·3 claims
- 0270US4635594AMethod of applying electric current to glow plugs and device thereforNGK SPARK PLUG CO·Filed 1985·Granted Jan 13, 1987·14 cites·10 claims
- 0355US4839018AAir/fuel ratio detectorNGK SPARK PLUG CO·Filed 1988·Granted Jun 13, 1989·18 cites·14 claims
- 0450US4512297AApparatus for controlling energization of glow plugsNGK SPARK PLUG CO·Filed 1983·Granted Apr 23, 1985·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →