Inventor
ASHIDA AKIRA
15 patents
⚠️ This page may combine multiple inventors who share the name “ASHIDA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
9 patentsUS4148569AApr 10, 1979
Lens unit for motion picture projector and others
CANON KK7 citations73
US4143951AMar 13, 1979
Cine-projector
CANON KK12 citations73
US3981570ASep 21, 1976
Motion picture projector device as audio-visual aid and audio-visual system using the same
CANON KK11 citations73
US3970380AJul 20, 1976
Film handling system employing a common cartridge
CANON KK2 citations63
US4066963AJan 3, 1978
Synchronization system of the cine-projector with the sound tape reproducer
CANON KK1 citations52
US4179197ADec 18, 1979
Sound motion picture projection system
CANON KK1 citations51
US4148567AApr 10, 1979
Sound motion picture projection apparatus
CANON KK1 citations51
US4159167AJun 26, 1979
Sound motion picture projection apparatus
CANON KK0 citations41
US4113369ASep 12, 1978
Motion picture projector
CANON KK0 citations41
HITACHI LTD
6 patentsUS5300197AApr 5, 1994
Distillation apparatus with porous membrane and heat pump
HITACHI LTD127 citations96
US4538119AAug 27, 1985
Clock extraction circuit using an oscillator and phase-locked programmable divider
HITACHI LTD30 citations92
US4531223AJul 23, 1985
Clock derivation circuits
HITACHI LTD14 citations73
US4514854AApr 30, 1985
Discrimination circuit for received data
HITACHI LTD17 citations73
US4426714AJan 17, 1984
Clock signal derivation system
HITACHI LTD13 citations73
US5021970AJun 4, 1991
Method and apparatus for generating and applying common teaching data of robots
HITACHI LTD9 citations72