Inventor
TAKEUCHI CHIFUMI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI CHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
15 patentsUS5998724ADec 7, 1999
Tone synthesizing device and method capable of individually imparting effect to each tone to be generated
YAMAHA CORP29 citations92
US5432296AJul 11, 1995
Musical tone synthesizing apparatus utilizing an all-pass filter having a variable fractional delay
YAMAHA CORP33 citations92
US5256830AOct 26, 1993
Musical tone synthesizing apparatus
YAMAHA CORP31 citations92
US5614685AMar 25, 1997
Digital signal processor for musical tone synthesizers and the like
YAMAHA CORP21 citations88
US5621801AApr 15, 1997
Reverberation effect imparting system
YAMAHA CORP18 citations84
US5308918AMay 3, 1994
Signal delay circuit, FIR filter and musical tone synthesizer employing the same
YAMAHA CORP16 citations74
US5245127ASep 14, 1993
Signal delay circuit, FIR filter and musical tone synthesizer employing the same
YAMAHA CORP10 citations74
US5223653AJun 29, 1993
Musical tone synthesizing apparatus
YAMAHA CORP10 citations74
US5000074AMar 19, 1991
Effect imparting device for an electronic musical instrument or the like apparatus
YAMAHA CORP11 citations74
US5521325AMay 28, 1996
Device for synthesizing a musical tone employing random modulation of a wave form signal
YAMAHA CORP13 citations73
US5241129AAug 31, 1993
Electronic musical instrument having physical model tone generator
YAMAHA CORP10 citations73
US5223657AJun 29, 1993
Musical tone generating device with simulation of harmonics technique of a stringed instrument
YAMAHA CORP9 citations73
US6410838B1Jun 25, 2002
Musical sound signal synthesizer and method for synthesizing musical sound signals using nonlinear transformer
YAMAHA CORP3 citations62
US5741994AApr 21, 1998
Waveguide musical tone synthesizing apparatus with noise modulation of waveguide coupling
YAMAHA CORP4 citations62
US5969284AOct 19, 1999
Music apparatus using boolean and numerical parameters settable by manipulator
YAMAHA CORP1 citations52
NIPPON MUSICAL INSTRUMENTS MFG
3 patentsUS4766795AAug 30, 1988
Tone synthesis method using modulation operation for an electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG12 citations73
US4552051ANov 12, 1985
Electronic musical instrument with key touch detector and operator member
NIPPON MUSICAL INSTRUMENTS MFG14 citations73
US4256004AMar 17, 1981
Electronic musical instrument of the harmonic synthesis type
NIPPON MUSICAL INSTRUMENTS MFG13 citations73