Inventor
IWAHARA MAKOTO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “IWAHARA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VICTOR COMPANY OF JAPAN
21 patentsUS4703506AOct 27, 1987
Directional microphone apparatus
VICTOR COMPANY OF JAPAN83 citations96
US4696043ASep 22, 1987
Microphone apparatus having a variable directivity pattern
VICTOR COMPANY OF JAPAN79 citations96
US4559642ADec 17, 1985
Phased-array sound pickup apparatus
VICTOR COMPANY OF JAPAN56 citations96
US4521908AJun 4, 1985
Phased-array sound pickup apparatus having no unwanted response pattern
VICTOR COMPANY OF JAPAN93 citations96
US4349698ASep 14, 1982
Audio signal translation with no delay elements
VICTOR COMPANY OF JAPAN69 citations96
US4209665AJun 24, 1980
Audio signal translation for loudspeaker and headphone sound reproduction
VICTOR COMPANY OF JAPAN62 citations96
US4199658AApr 22, 1980
Binaural sound reproduction system
VICTOR COMPANY OF JAPAN58 citations96
US4137510AJan 30, 1979
Frequency band dividing filter
VICTOR COMPANY OF JAPAN80 citations96
US4118599AOct 3, 1978
Stereophonic sound reproduction system
VICTOR COMPANY OF JAPAN123 citations95
US4831452AMay 16, 1989
Image pickup device having a photoconductive optical modulator element
VICTOR COMPANY OF JAPAN34 citations93
US4628525ADec 9, 1986
M-S type stereophonic microphone
VICTOR COMPANY OF JAPAN37 citations93
US5140443AAug 18, 1992
Image scanning apparatus
VICTOR COMPANY OF JAPAN52 citations92
US4188504AFeb 12, 1980
Signal processing circuit for binaural signals
VICTOR COMPANY OF JAPAN52 citations92
US4159397AJun 26, 1979
Acoustic translation of quadraphonic signals for two- and four-speaker sound reproduction
VICTOR COMPANY OF JAPAN33 citations92
US4119798AOct 10, 1978
Binaural multi-channel stereophony
VICTOR COMPANY OF JAPAN38 citations92
US4739418AApr 19, 1988
Information signal recording disc recorded with stereoscopic television signal
VICTOR COMPANY OF JAPAN44 citations91
US4672434AJun 9, 1987
Stereoscopic television system and apparatus with 4 to 1 interlace display
VICTOR COMPANY OF JAPAN24 citations81
US4143244AMar 6, 1979
Binaural sound reproducing system
VICTOR COMPANY OF JAPAN20 citations79
US4060696ANov 29, 1977
Binaural four-channel stereophony
VICTOR COMPANY OF JAPAN24 citations79
US4238744ADec 9, 1980
Frequency band dividing filter using delay-line filter
VICTOR COMPANY OF JAPAN12 citations74
US4897730AJan 30, 1990
Image pickup device with index signal generator
VICTOR COMPANY OF JAPAN4 citations62