Inventor · disambiguated record
Yuichi Koyama
Also filed as: KOYAMA YUICHI
5 granted patents·2 pending applications·99 citations·filing 1990–2014
81Inventor score
Top patents by PatentIndex Score
7 records- 0176US7993506B2Gas sensorNGK SPARK PLUG CO·Filed 2008·Granted Aug 9, 2011·4 cites·10 claims
- 0276US5119010APower supply deviceISUZU MOTORS LTD·Filed 1990·Granted Jun 2, 1992·36 cites·7 claims
- 0363US5041776AMotor vehicle power supply deviceISUZU MOTORS LTD·Filed 1990·Granted Aug 20, 1991·41 cites·6 claims
- 0456US5050545AEngine preheating systemISUZU MOTORS LTD·Filed 1990·Granted Sep 24, 1991·16 cites·4 claims
- 0550US7189363B2Gas detectorNGK SPARK PLUG CO·Filed 2003·Granted Mar 13, 2007·2 cites·7 claims
- 0637US2010308894A1Medical electronic apparatus and controlling method thereofSONY CORP·Filed 2010·Application pending·0 cites
- 0736US2016108254A1Zinc immersion coating solutions, double-zincate method, method of forming a metal plating film, and semiconductor deviceMELTEX INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →