Assignee
MARUYAMA KENYA
JP·3 granted patents·1 pending application·25 citations·filing 2010–2012
Top patents by PatentIndex Score
4 records- 0190US8521405B2Air-fuel ratio diagnostic device for internal combustion engineMARUYAMA KENYA·Filed 2011·Granted Aug 27, 2013·15 cites·15 claims
- 0283US8306721B2Internal combustion engine system, method of controlling internal combustion engine system, and vehicleMARUYAMA KENYA·Filed 2010·Granted Nov 6, 2012·8 cites·12 claims
- 0364US8939135B2Internal combustion engine system, method of determining occurrence of air-fuel ratio imbalance therein, and vehicleMARUYAMA KENYA·Filed 2011·Granted Jan 27, 2015·2 cites·18 claims
- 0441US2013160750A1Abnormality determination system for internal combustion engine, and abnormality determining method for internal combustion engineMARUYAMA KENYA·Filed 2012·Application pending·0 cites
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