Inventor
HAKAMADA KUNIO
JP13 patents
Patents
13 patentsUS4746983AMay 24, 1988
Picture-in-picture television receiver with separate channel display
SONY CORP112 citations95
US4729027AMar 1, 1988
Picture-in-picture television receiver
SONY CORP75 citations94
US4845564AJul 4, 1989
Television receiver incorporating a video cassette recorder and capable of displaying a sub-channel picture within a main-channel picture
SONY CORP60 citations93
US4870492ASep 26, 1989
Television receiver having automatically programmable skip channel list
SONY CORP40 citations92
US4777531AOct 11, 1988
Still sub-picture-in-picture television receiver
SONY CORP57 citations92
US4750040AJun 7, 1988
Apparatus controlled by a micro-computer and including power loss data checking
SONY CORP41 citations92
US4725888AFeb 16, 1988
Picture-in-picture television receiver
SONY CORP54 citations92
US5247365ASep 21, 1993
Channel-scanning picture-in-picture-in-picture television receiver
SONY CORP29 citations91
US4591914AMay 27, 1986
Apparatus for controlling power supply to electronic circuitry
SONY CORP37 citations91
US4774582ASep 27, 1988
Picture-in picture television receiver with step-by-step still picture control
SONY CORP56 citations90
US5099326AMar 24, 1992
Television receiver with operational mode for aging
SONY CORP14 citations73
US4761688AAug 2, 1988
Television receiver
SONY CORP15 citations73
US5883669AMar 16, 1999
Display device using electron beam and method of erasing display screen
SONY CORP6 citations54