Inventor · disambiguated record
Chifumi Takeuchi
Also filed as: TAKEUCHI CHIFUMI
18 granted patents·258 citations·filing 1979–2000
95Inventor score
Top patents by PatentIndex Score
18 records- 0177US5256830AMusical tone synthesizing apparatusYAMAHA CORP·Filed 1990·Granted Oct 26, 1993·31 cites·6 claims
- 0275US4256004AElectronic musical instrument of the harmonic synthesis typeNIPPON MUSICAL INSTRUMENTS MFG·Filed 1979·Granted Mar 17, 1981·13 cites·7 claims
- 0373US4552051AElectronic musical instrument with key touch detector and operator memberNIPPON MUSICAL INSTRUMENTS MFG·Filed 1983·Granted Nov 12, 1985·14 cites·25 claims
- 0471US5432296AMusical tone synthesizing apparatus utilizing an all-pass filter having a variable fractional delayYAMAHA CORP·Filed 1993·Granted Jul 11, 1995·33 cites·19 claims
- 0570US4766795ATone synthesis method using modulation operation for an electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1984·Granted Aug 30, 1988·12 cites·23 claims
- 0668US5998724ATone synthesizing device and method capable of individually imparting effect to each tone to be generatedYAMAHA CORP·Filed 1998·Granted Dec 7, 1999·29 cites·18 claims
- 0765US5614685ADigital signal processor for musical tone synthesizers and the likeYAMAHA CORP·Filed 1994·Granted Mar 25, 1997·21 cites·15 claims
- 0861US5308918ASignal delay circuit, FIR filter and musical tone synthesizer employing the sameYAMAHA CORP·Filed 1992·Granted May 3, 1994·16 cites·4 claims
- 0957US5521325ADevice for synthesizing a musical tone employing random modulation of a wave form signalYAMAHA CORP·Filed 1992·Granted May 28, 1996·13 cites·23 claims
- 1053US5000074AEffect imparting device for an electronic musical instrument or the like apparatusYAMAHA CORP·Filed 1989·Granted Mar 19, 1991·11 cites·11 claims
- 1151US5621801AReverberation effect imparting systemYAMAHA CORP·Filed 1994·Granted Apr 15, 1997·18 cites·15 claims
- 1249US5223653AMusical tone synthesizing apparatusYAMAHA CORP·Filed 1990·Granted Jun 29, 1993·10 cites·3 claims
- 1347US5241129AElectronic musical instrument having physical model tone generatorYAMAHA CORP·Filed 1992·Granted Aug 31, 1993·10 cites·10 claims
- 1446US5223657AMusical tone generating device with simulation of harmonics technique of a stringed instrumentYAMAHA CORP·Filed 1991·Granted Jun 29, 1993·9 cites·9 claims
- 1545US5245127ASignal delay circuit, FIR filter and musical tone synthesizer employing the sameYAMAHA CORP·Filed 1992·Granted Sep 14, 1993·10 cites·9 claims
- 1639US6410838B1Musical sound signal synthesizer and method for synthesizing musical sound signals using nonlinear transformerYAMAHA CORP·Filed 2000·Granted Jun 25, 2002·3 cites·20 claims
- 1734US5741994AWaveguide musical tone synthesizing apparatus with noise modulation of waveguide couplingYAMAHA CORP·Filed 1996·Granted Apr 21, 1998·4 cites·5 claims
- 1830US5969284AMusic apparatus using boolean and numerical parameters settable by manipulatorYAMAHA CORP·Filed 1998·Granted Oct 19, 1999·1 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →