Inventor
ISHIDA KOHJI
16 patents
Patents
16 patentsUS5253299AOct 12, 1993
Noise reduction apparatus in an FM stereo tuner
PIONEER ELECTRONIC CORP28 citations92
US5067157ANov 19, 1991
Noise reduction apparatus in an FM stereo tuner
PIONEER ELECTRONIC CORP41 citations92
US4502148AFeb 26, 1985
FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal
PIONEER ELECTRONIC CORP9 citations73
US4590615AMay 20, 1986
Multipath distortion reducing circuit
PIONEER ELECTRONIC CORP9 citations72
US4539697ASep 3, 1985
FM Stereo demodulating circuit
PIONEER ELECTRONIC CORP6 citations62
US4523329AJun 11, 1985
FM receiver
PIONEER ELECTRONIC CORP2 citations62
US4510452AApr 9, 1985
Circuit having square-law transfer characteristic
PIONEER ELECTRONIC CORP3 citations62
US4497063AJan 29, 1985
FM stereo demodulator
PIONEER ELECTRONIC CORP4 citations62
US4489430ADec 18, 1984
FM Stereo demodulation circuit
PIONEER ELECTRONIC CORP3 citations62
US4399324AAug 16, 1983
Multiplex demodulation circuit
PIONEER ELECTRONIC CORP6 citations62
US4362906ADec 7, 1982
FM Receiver
PIONEER ELECTRONIC CORP3 citations62
US4315221AFeb 9, 1982
Switching circuit
PIONEER ELECTRONIC CORP5 citations62
US4280101AJul 21, 1981
Stereophonic signal demodulation circuit
PIONEER ELECTRONIC CORP2 citations62
US4274057AJun 16, 1981
MPX Stereophonic demodulation
PIONEER ELECTRONIC CORP3 citations62
US4633496ADec 30, 1986
Low-pass filter circuit
PIONEER ELECTRONIC CORP5 citations61
US4278944AJul 14, 1981
Chopper type switching circuit
PIONEER ELECTRONIC CORP0 citations51