Inventor
SANADA SEIJI
11 patents
⚠️ This page may combine multiple inventors who share the name “SANADA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS4101927AJul 18, 1978
Vir control apparatus for color television receiver
SONY CORP25 citations81
US4153911AMay 8, 1979
Color correction circuit for a color television receiver
SONY CORP10 citations73
US4130831ADec 19, 1978
Color television control circuit for use with a VIR signal
SONY CORP8 citations73
US4091411AMay 23, 1978
Color hue control circuit for color television receiver
SONY CORP12 citations73
US4223338ASep 16, 1980
Color television receiver and VTR system
SONY CORP3 citations62
US4206473AJun 3, 1980
VIR-Controlled color correction for color video signal receiving apparatus
SONY CORP3 citations62
US4197556AApr 8, 1980
Hue correction circuit
SONY CORP6 citations62
US4189740AFeb 19, 1980
Common circuitry VIR control apparatus for color television receiver
SONY CORP3 citations62
US4183048AJan 8, 1980
VIR-controlled hue correction circuit
SONY CORP6 citations62