Inventor · disambiguated record
Shimpei Nakaniwa
Also filed as: NAKANIWA SHIMPEI
3 granted patents·77 citations·filing 1988–1992
74Inventor score
Technology areasF02D
Files withJAPAN ELECTRONIC CONTROL SYST3
Top patents by PatentIndex Score
3 records- 0179US5157920AMethod of and an apparatus for controlling the air-fuel ratio of an internal combustion engineJAPAN ELECTRONIC CONTROL SYST·Filed 1991·Granted Oct 27, 1992·39 cites·16 claims
- 0267US4926826AElectric air-fuel ratio control apparatus for use in internal combustion engineJAPAN ELECTRONIC CONTROL SYST·Filed 1988·Granted May 22, 1990·22 cites·23 claims
- 0352US5224461ASelf-diagnosing apparatus and method for fuel supply control system applicable to internal combustion engineJAPAN ELECTRONIC CONTROL SYST·Filed 1992·Granted Jul 6, 1993·16 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →