Assignee
MARUYAMA KENYA
JP3 patents
Top patents by PatentIndex Score
US8521405B2Aug 27, 2013
Air-fuel ratio diagnostic device for internal combustion engine
MARUYAMA KENYA15 citations80
US8306721B2Nov 6, 2012
Internal combustion engine system, method of controlling internal combustion engine system, and vehicle
MARUYAMA KENYA8 citations80
US8939135B2Jan 27, 2015
Internal combustion engine system, method of determining occurrence of air-fuel ratio imbalance therein, and vehicle
MARUYAMA KENYA2 citations60