Inventor
WATANABE MASAKATSU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOCHIKI CO
6 patentsUS4180804ADec 25, 1979
Remote control device for an amplifier trap circuit
HOCHIKI CO11 citations73
US4205269AMay 27, 1980
Remote control variable attenuation device for an antenna amplifier
HOCHIKI CO19 citations72
US4198624AApr 15, 1980
Alarm system
HOCHIKI CO20 citations72
US4148021AApr 3, 1979
Alarm system utilizing bidirectional wired television system
HOCHIKI CO10 citations72
US4075628AFeb 21, 1978
Alarm system utilizing cable-tv multi-receiver systems
HOCHIKI CO10 citations71
US4139843AFeb 13, 1979
Alarm system
HOCHIKI CO4 citations61