Inventor · disambiguated record
Toshio Okumura
Also filed as: OKUMURA TOSHIO
7 granted patents·141 citations·filing 1983–1995
87Inventor score
Top patents by PatentIndex Score
7 records- 0179US4668477AGas sensorNGK SPARK PLUG CO·Filed 1984·Granted May 26, 1987·37 cites·10 claims
- 0276US4883643AOxygen sensor protected against contaminantsNGK SPARK PLUG CO·Filed 1989·Granted Nov 28, 1989·37 cites·6 claims
- 0365US4672933APrecombustion chamber with insulating meansNGK SPARK PLUG CO·Filed 1985·Granted Jun 16, 1987·21 cites·16 claims
- 0455US4741816AOxygen sensorNGK SPARK PLUG CO·Filed 1986·Granted May 3, 1988·17 cites·26 claims
- 0547US4507191AOxygen sensor with heaterNGK SPARK PLUG CO·Filed 1983·Granted Mar 26, 1985·11 cites·2 claims
- 0646US5512262AProcess for cleaning harmful gasJAPAN PIONICS·Filed 1994·Granted Apr 30, 1996·10 cites·12 claims
- 0741US5662872AProcess for cleaning harmful gasJAPAN PIONICS·Filed 1995·Granted Sep 2, 1997·8 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →