Inventor
HIRAYAMA TSUTOMU
8 patents
⚠️ This page may combine multiple inventors who share the name “HIRAYAMA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON ELECTRIC CO
4 patentsUS4296357AOct 20, 1981
Plasma display system
NIPPON ELECTRIC CO14 citations72
US4100461AJul 11, 1978
Driving circuit for a gas discharge display panel
NIPPON ELECTRIC CO4 citations61
US3967157AJun 29, 1976
Driving circuit for a gas discharge display panel
NIPPON ELECTRIC CO5 citations60
US4359648ANov 16, 1982
Pulse signal control circuits
NIPPON ELECTRIC CO0 citations40
TOYOTA MOTOR CO LTD
3 patentsUS4413596ANov 8, 1983
Engine cooling system with optionally communicable head cooling circuit and block cooling circuit, and method of operating the same
TOYOTA MOTOR CO LTD59 citations94
US4381736AMay 3, 1983
Engine cooling system providing mixed or unmixed head and block cooling
TOYOTA MOTOR CO LTD113 citations94
US4369738AJan 25, 1983
Engine cooling system with optionally communicable head cooling circuit and block cooling circuit, and method of operating the same
TOYOTA MOTOR CO LTD80 citations94