Inventor
OHNISHI AKIHIRO
20 patents
⚠️ This page may combine multiple inventors who share the name “OHNISHI AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN MOTOR
8 patentsUS4186701AFeb 5, 1980
Feedback control of exhaust gas recirculation based on combustion condition
NISSAN MOTOR37 citations92
US4168679ASep 25, 1979
Electrically throttled fuel control system for internal combustion engines
NISSAN MOTOR38 citations92
US4177777ADec 11, 1979
Exhaust gas recirculation control system
NISSAN MOTOR33 citations90
US4145272AMar 20, 1979
Oxygen sensor
NISSAN MOTOR44 citations90
US4271811AJun 9, 1981
Feedback control of exhaust gas recirculation based on combustion condition
NISSAN MOTOR27 citations82
US4142496AMar 6, 1979
Exhaust gas recirculation system
NISSAN MOTOR8 citations74
US4133331AJan 9, 1979
Dual spark-plug ignition internal combustion engine with improved combustion chamber wall
NISSAN MOTOR12 citations72
US4221203ASep 9, 1980
Cross-flow type internal combustion engine with a small sized exhaust gas recirculating system
NISSAN MOTOR12 citations71
HITACHI LTD
4 patentsUS6168996B1Jan 2, 2001
Method of fabricating semiconductor device
HITACHI LTD263 citations98
US6307231B1Oct 23, 2001
Method of fabricating semiconductor device
HITACHI LTD34 citations96
US6512265B2Jan 28, 2003
Method of fabricating semiconductor device
HITACHI LTD17 citations92
US6410959B2Jun 25, 2002
Method of fabricating semiconductor device
HITACHI LTD20 citations92