Inventor · disambiguated record
Hirokimi Koyama
Also filed as: KOYAMA HIROKIMI
2 granted patents·19 citations·filing 1988–2011
52Inventor score
Top patents by PatentIndex Score
2 records- 0155US4892072ASystem for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flowNISSAN MOTOR·Filed 1988·Granted Jan 9, 1990·19 cites·29 claims
- 0229US8948987B2Control device for vehicleMORI TOMOYA·Filed 2011·Granted Feb 3, 2015·0 cites·14 claims
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