Inventor
OGITA MINORU
JP40 patents
⚠️ This page may combine multiple inventors who share the name “OGITA MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON MUSICAL INSTRUMENTS MFG
33 patentsUS4348666ASep 7, 1982
Signal level display apparatus
NIPPON MUSICAL INSTRUMENTS MFG41 citations92
US4339826AJul 13, 1982
Radio receiver having phase locked loop frequency synthesizer
NIPPON MUSICAL INSTRUMENTS MFG33 citations92
US4272788AJun 9, 1981
Receiver for television sound multiplex broadcasting and FM stereo multiplex broadcasting
NIPPON MUSICAL INSTRUMENTS MFG55 citations92
US4278980AJul 14, 1981
Antenna input circuit for radio receiver
NIPPON MUSICAL INSTRUMENTS MFG45 citations89
US4404430ASep 13, 1983
FM Stereo demodulation circuit with voltage dividing and multiplexing techniques
NIPPON MUSICAL INSTRUMENTS MFG20 citations82
US4365349ADec 21, 1982
Radio receiver having phase locked loop and automatic frequency control loop for stably maintaining local oscillator frequency of voltage-controlled local oscillator
NIPPON MUSICAL INSTRUMENTS MFG26 citations82
US4249261AFeb 3, 1981
Superheterodyne radio receiver with nearby-station interference detection
NIPPON MUSICAL INSTRUMENTS MFG23 citations82
US4002991AJan 11, 1977
Pilot signal extracting circuitry
NIPPON MUSICAL INSTRUMENTS MFG30 citations82
US4037057AJul 19, 1977
Noise-cancelling apparatus for FM stereo receiver
NIPPON MUSICAL INSTRUMENTS MFG20 citations78
US4580128AApr 1, 1986
Digital signal processing device
NIPPON MUSICAL INSTRUMENTS MFG18 citations74
US4454607AJun 12, 1984
FM Stereophonic receiver with CPU controlled tuning and demodulating
NIPPON MUSICAL INSTRUMENTS MFG10 citations74
US4403113ASep 6, 1983
Circuit for cancelling sinusoidal pilot signal contained in composite signal
NIPPON MUSICAL INSTRUMENTS MFG12 citations74
US4344187AAug 10, 1982
Radio receiver with system for maintaining optimum tuning
NIPPON MUSICAL INSTRUMENTS MFG10 citations74
US4342000AJul 27, 1982
FM Detecting circuit
NIPPON MUSICAL INSTRUMENTS MFG10 citations74
US4225823ASep 30, 1980
Front end circuits of FM receivers
NIPPON MUSICAL INSTRUMENTS MFG9 citations74
US4208663AJun 17, 1980
Antenna input circuit for AM/FM radio receiver
NIPPON MUSICAL INSTRUMENTS MFG12 citations74
US4164624AAug 14, 1979
Demodulation circuits of FM stereophonic receivers
NIPPON MUSICAL INSTRUMENTS MFG11 citations74
US4112371ASep 5, 1978
Muting and tuning indicator system for an FM receiver
NIPPON MUSICAL INSTRUMENTS MFG7 citations74
US4047116ASep 6, 1977
FM multiplex stereo demodulating circuit
NIPPON MUSICAL INSTRUMENTS MFG8 citations74
US4037165AJul 19, 1977
Synchronous signal generating system with phase-locked loop circuit
NIPPON MUSICAL INSTRUMENTS MFG11 citations74
US4356568AOct 26, 1982
Receptive condition automatic selection device for FM receiver
NIPPON MUSICAL INSTRUMENTS MFG19 citations67
US4385399AMay 24, 1983
Display device
NIPPON MUSICAL INSTRUMENTS MFG3 citations63
US4378573AMar 29, 1983
Magnetic recording and reproducing system with noise cancellation
NIPPON MUSICAL INSTRUMENTS MFG2 citations63
US4328589AMay 4, 1982
System for indicating multipath interference in radio receiver
NIPPON MUSICAL INSTRUMENTS MFG3 citations63
US4228546AOct 14, 1980
AM Radio receiver
NIPPON MUSICAL INSTRUMENTS MFG5 citations63
US4228540AOct 14, 1980
Radio receiver
NIPPON MUSICAL INSTRUMENTS MFG5 citations63
US4224471ASep 23, 1980
FM Radio receiver
NIPPON MUSICAL INSTRUMENTS MFG3 citations63
US4128810ADec 5, 1978
Signal level indicator driving circuit
NIPPON MUSICAL INSTRUMENTS MFG5 citations63
US4124780ANov 7, 1978
FM stereophonic receiver providing a test signal
NIPPON MUSICAL INSTRUMENTS MFG6 citations63
US4035585AJul 12, 1977
Demodulator circuit in multiplex stereo and monophonic receiver
NIPPON MUSICAL INSTRUMENTS MFG6 citations63
US3939442AFeb 17, 1976
Ceramic filter circuit
NIPPON MUSICAL INSTRUMENTS MFG4 citations63
US4225972ASep 30, 1980
System for indicating frequency of station signal received by superheterodyne radio receiver
NIPPON MUSICAL INSTRUMENTS MFG0 citations52
US4178551ADec 11, 1979
Bandwidth switching circuits of radio receiver
NIPPON MUSICAL INSTRUMENTS MFG1 citations49
YAMAHA CORP
5 patentsUS5982816ANov 9, 1999
Digital communication system using packet assembling/disassembling and eight-to-fourteen bit encoding/decoding
YAMAHA CORP28 citations93
US5810603ASep 22, 1998
Karaoke network system with broadcasting of background pictures
YAMAHA CORP53 citations92
US7141733B2Nov 28, 2006
Karaoke apparatus, content reproducing apparatus, method of managing music piece data for a karaoke apparatus, and method of managing content data for content reproducing apparatus
YAMAHA CORP33 citations91
US5956459ASep 21, 1999
Karaoke apparatus having video mixer of main and insert pictures
YAMAHA CORP12 citations73
US6374979B1Apr 23, 2002
Karaoke system money counting machine and karaoke apparatus
YAMAHA CORP0 citations41