Inventor
TSUCHIYA TAKAO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYA TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
19 patentsUS4308509ADec 29, 1981
Filter circuit utilizing charge transfer device
SONY CORP73 citations96
US3985954AOct 12, 1976
DC level control circuit
SONY CORP20 citations81
US5075735ADec 24, 1991
Electrophotographic apparatus using developer that is changed from a solid to a liquid
SONY CORP6 citations73
US4344001AAug 10, 1982
Clocking signal drive circuit for charge transfer device
SONY CORP15 citations73
US4170785AOct 9, 1979
Video signal reproducing apparatus with electron beam scanning velocity modulation
SONY CORP16 citations73
US4170023AOct 2, 1979
Carrier agc circuit, especially burst acc and apc
SONY CORP13 citations73
US4092667AMay 30, 1978
Automatic chrominance control and color killer circuits
SONY CORP8 citations73
US4012771AMar 15, 1977
Apparatus for recording and/or reproducing color video signals
SONY CORP14 citations73
US4012774AMar 15, 1977
Drop-out responsive color video reproducing apparatus
SONY CORP9 citations72
US4223342ASep 16, 1980
Circuit for improving the frequency characteristic of a color television signal
SONY CORP16 citations71
US4183050AJan 8, 1980
Clamping circuit for color television signals
SONY CORP16 citations71
US4559558ADec 17, 1985
Picture quality adjusting circuit
SONY CORP11 citations68
US5073798ADec 17, 1991
Electronic photography apparatus
SONY CORP2 citations62
US4068256AJan 10, 1978
Video recording apparatus with color killer
SONY CORP6 citations61
US4163989AAug 7, 1979
Detector circuit for color television receivers
SONY CORP2 citations57
US5116714AMay 26, 1992
Image forming material with developer and photosensitive base on which an electrostatic latent image is formed
SONY CORP1 citations52
US4314162AFeb 2, 1982
Filter circuit utilizing charge transfer device
SONY CORP1 citations52
US4175241ANov 20, 1979
Master-slave flip-flop circuit
SONY CORP1 citations51
US4383326AMay 10, 1983
Clocking signal drive circuit for bucket brigade device
SONY CORP1 citations45