Inventor
NUMATA TATSUO
28 patents
⚠️ This page may combine multiple inventors who share the name “NUMATA TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
20 patentsUS4853609AAug 1, 1989
Distortion-free, opposite-phase current source
PIONEER ELECTRONIC CORP9 citations73
US4502148AFeb 26, 1985
FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal
PIONEER ELECTRONIC CORP9 citations73
US4109206AAug 22, 1978
Signal strength meter drive circuit
PIONEER ELECTRONIC CORP7 citations73
US4555671ANov 26, 1985
Circuit for driving a signal meter for a receiver
PIONEER ELECTRONIC CORP2 citations62
US4539697ASep 3, 1985
FM Stereo demodulating circuit
PIONEER ELECTRONIC CORP6 citations62
US4523329AJun 11, 1985
FM receiver
PIONEER ELECTRONIC CORP2 citations62
US4497063AJan 29, 1985
FM stereo demodulator
PIONEER ELECTRONIC CORP4 citations62
US4495469AJan 22, 1985
Differential amplifier output leading circuit, and intermediate frequency amplifier using same
PIONEER ELECTRONIC CORP2 citations62
US4489430ADec 18, 1984
FM Stereo demodulation circuit
PIONEER ELECTRONIC CORP3 citations62
US4409436AOct 11, 1983
Stereo pilot signal eliminating circuit for AM stereophonic receiver
PIONEER ELECTRONIC CORP3 citations62
US4399324AAug 16, 1983
Multiplex demodulation circuit
PIONEER ELECTRONIC CORP6 citations62
US4383136AMay 10, 1983
Muting circuit for AM stereophonic receiver
PIONEER ELECTRONIC CORP5 citations62
US4315221AFeb 9, 1982
Switching circuit
PIONEER ELECTRONIC CORP5 citations62
US4283793AAug 11, 1981
Muting signal generation circuit for an FM receiver
PIONEER ELECTRONIC CORP4 citations62
US4280101AJul 21, 1981
Stereophonic signal demodulation circuit
PIONEER ELECTRONIC CORP2 citations62
US4274057AJun 16, 1981
MPX Stereophonic demodulation
PIONEER ELECTRONIC CORP3 citations62
US4244055AJan 6, 1981
Tuner with phase locked loop synthesizer
PIONEER ELECTRONIC CORP3 citations62
US4146747AMar 27, 1979
Fm stereo demodulating device
PIONEER ELECTRONIC CORP3 citations60
US4468537AAug 28, 1984
Sound system having suppression of AM stereophonic receiving circuit-induced noise
PIONEER ELECTRONIC CORP0 citations52
US4228542AOct 14, 1980
Digital tuning FM stereophonic receiver including phase locked loop synthesizer
PIONEER ELECTRONIC CORP1 citations52
NISSAN CHEMICAL IND LTD
7 patentsUS4696694ASep 29, 1987
Pyridine derivatives and their herbicidal compositions
NISSAN CHEMICAL IND LTD19 citations82
US4824474AApr 25, 1989
Quinoline derivatives and herbicidal compositions and method of use thereof
NISSAN CHEMICAL IND LTD10 citations73
US4908379AMar 13, 1990
Nitrogen-containing heterocyclic compounds and compositions for controlling and/or preventing pests and blights (diseases)
NISSAN CHEMICAL IND LTD7 citations72
US5278163AJan 11, 1994
Pyridazinone derivatives and compositions for controlling and/or preventing insect pests
NISSAN CHEMICAL IND LTD6 citations62
US4837345AJun 6, 1989
Process for the production of tetrahydropyran-3-one derivatives
NISSAN CHEMICAL IND LTD6 citations62
US4945091AJul 31, 1990
3(2H)-pyridazinone compounds derivatives and compositions for controlling and/or preventing insect pests intermediates for such compounds, and a process for their manufacture
NISSAN CHEMICAL IND LTD4 citations61
US4508561AApr 2, 1985
1-Phenylethyl sulfone derivatives of 2-pyridyl-N-oxides and herbicidal compositions containing same
NISSAN CHEMICAL IND LTD0 citations50