Inventor
SHIGEMATU TAKASHI
14 patents
⚠️ This page may combine multiple inventors who share the name “SHIGEMATU TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
5 patentsUS4593582AJun 10, 1986
Continuously variable transmission means for use in vehicles
TOYOTA MOTOR CO LTD17 citations82
US4232642ANov 11, 1980
Ignition timing control system for internal combustion engines
TOYOTA MOTOR CO LTD24 citations82
US4716790AJan 5, 1988
Continuously variable transmission control system responsive to passenger compartment noise or vibration
TOYOTA MOTOR CO LTD13 citations74
US4257364AMar 24, 1981
Method and system for controlling ignition timing
TOYOTA MOTOR CO LTD10 citations74
US4168691ASep 25, 1979
Ignition system for internal combustion engine
TOYOTA MOTOR CO LTD7 citations74
NIPPON DENSO CO
3 patentsUS4236491ADec 2, 1980
Ignition timing control apparatus for internal combustion engines
NIPPON DENSO CO30 citations92
US4225802ASep 30, 1980
Piezoelectric knocking detector for internal combustion engine
NIPPON DENSO CO32 citations92
US4290398ASep 22, 1981
Ignition timing control system for internal combustion engine
NIPPON DENSO CO18 citations74
NIPPON SOKEN
3 patentsUS4211194AJul 8, 1980
Ignition system for internal combustion engines
NIPPON SOKEN32 citations92
US4385606AMay 31, 1983
Ignition timing regulating device for internal combustion engine
NIPPON SOKEN19 citations74
US4245591AJan 20, 1981
Ignition timing control system for internal combustion engines
NIPPON SOKEN14 citations74