Inventor
IGARASHI KOHEI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
8 patentsUS6672050B2Jan 6, 2004
Exhaust gas purification device of an engine
TOYOTA MOTOR CO LTD49 citations92
US6672989B2Jan 6, 2004
Direct injection type engine
TOYOTA MOTOR CO LTD21 citations92
US6581372B2Jun 24, 2003
Compression ignition type engine
TOYOTA MOTOR CO LTD16 citations84
US6516609B2Feb 11, 2003
Compression ignition type engine
TOYOTA MOTOR CO LTD15 citations84
US4604700AAug 5, 1986
Apparatus for indicating an optimum time to shift a manual transmission installed in a vehicle
TOYOTA MOTOR CO LTD23 citations81
US4881368ANov 21, 1989
Double air-fuel ratio sensor system having improved exhaust emission characteristics
TOYOTA MOTOR CO LTD7 citations73
US6349540B1Feb 26, 2002
Catalyst deterioration determining apparatus for internal combustion engine, and control method for the apparatus
TOYOTA MOTOR CO LTD9 citations72
US4202173AMay 13, 1980
Secondary air supplying device of an internal combustion engine
TOYOTA MOTOR CO LTD6 citations61
FUJITSU TEN LTD
2 patentsUS6467466B1Oct 22, 2002
Gas leakage detection and fail-safe control method for gas-fueled internal combustion engine and apparatus for implementing the same
FUJITSU TEN LTD94 citations96
US6240910B1Jun 5, 2001
Fuel injection control system for compressed natural gas-fueled automotive vehicle
FUJITSU TEN LTD28 citations90