Inventor
HONGU MASAYUKI
28 patents
Patents
28 patentsUS4132952AJan 2, 1979
Multi-band tuner with fixed broadband input filters
SONY CORP200 citations98
US4115737ASep 19, 1978
Multi-band tuner
SONY CORP109 citations95
US3974460AAug 10, 1976
High frequency modulator, such as an amplitude modulator, including a frequency multiplier
SONY CORP22 citations82
US4261016AApr 7, 1981
Television receiver
SONY CORP15 citations74
US4083019AApr 4, 1978
Current controlled emitter coupled multivibrator
SONY CORP16 citations74
US4021749AMay 3, 1977
Signal amplifying circuit
SONY CORP7 citations74
US3986145AOct 12, 1976
Variable reactance circuit including differentially-connected transistor device providing a variable reactance input impedance
SONY CORP13 citations74
US4673983AJun 16, 1987
Picture-in-picture television receivers
SONY CORP19 citations73
US4631589ADec 23, 1986
Dark level restoring circuit
SONY CORP15 citations73
US4322751AMar 30, 1982
Detector circuit for a television receiver
SONY CORP16 citations73
US4283792AAug 11, 1981
Automatic fine tuning circuit
SONY CORP7 citations73
US4263675AApr 21, 1981
AFT circuit
SONY CORP10 citations73
US4198650AApr 15, 1980
Capacitive-type nonlinear emphasis circuit
SONY CORP18 citations73
US4169248ASep 25, 1979
Oscillating circuit
SONY CORP11 citations73
US4156255AMay 22, 1979
Television receiver with synchronous detection and automatic fine tuning
SONY CORP8 citations73
US4081837AMar 28, 1978
Undesired signal canceller
SONY CORP7 citations73
US3986058AOct 12, 1976
Transistor biasing circuit
SONY CORP9 citations73
US3968453AJul 6, 1976
Gain control circuit
SONY CORP10 citations73
US3940708AFeb 24, 1976
Gain control circuit
SONY CORP12 citations73
US3987317AOct 19, 1976
Transistor biasing circuit
SONY CORP7 citations72
US4165498AAug 21, 1979
Variable delay device
SONY CORP2 citations63
US4419695ADec 6, 1983
Television sound receiver
SONY CORP3 citations62
US4238771ADec 9, 1980
Muting circuit
SONY CORP3 citations62
US4234963ANov 18, 1980
Synchronous detector particularly adapted for a video IF signal
SONY CORP5 citations62
US4163196AJul 31, 1979
Demodulating apparatus with phase shift compensation
SONY CORP6 citations62
US4110635AAug 29, 1978
Amplifying circuit
SONY CORP5 citations62
US4370676AJan 25, 1983
Carrier regenerating circuit for a synchronous detector
SONY CORP3 citations58
US4005371AJan 25, 1977
Bias circuit for differential amplifier
SONY CORP1 citations52