Inventor
HASEGAWA TATSUZO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA TATSUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
4 patentsUS4949048AAug 14, 1990
Pulse width modulation amplifier circuit
PIONEER ELECTRONIC CORP77 citations96
US4992749AFeb 12, 1991
Pulse-width modulating amplifier circuit
PIONEER ELECTRONIC CORP39 citations92
US4968948ANov 6, 1990
Pulse width modulation amplifier circuit
PIONEER ELECTRONIC CORP40 citations92
US4952884AAug 28, 1990
Pulse width modulation amplifier circuit
PIONEER ELECTRONIC CORP30 citations92