CT

Chifumi Takeuchi

Yamaha: 15 patents #142 of 2,001Top 8%
NS Nippon Gakki Seizo: 4 patents #59 of 332Top 20%
Overall (All Time): #242,348 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
6410838 Musical sound signal synthesizer and method for synthesizing musical sound signals using nonlinear transformer 2002-06-25
5998724 Tone synthesizing device and method capable of individually imparting effect to each tone to be generated Toru Kitayama, Toshifumi Kunimoto 1999-12-07
5969284 Music apparatus using boolean and numerical parameters settable by manipulator Takao Yamamoto, Toshifumi Kunimoto, Takeshi Komano 1999-10-19
5741994 Waveguide musical tone synthesizing apparatus with noise modulation of waveguide coupling 1998-04-21
5621801 Reverberation effect imparting system Toshifumi Kunimoto, Masahiro Kakishita 1997-04-15
5614685 Digital signal processor for musical tone synthesizers and the like Shuuichi Matsumoto 1997-03-25
5521325 Device for synthesizing a musical tone employing random modulation of a wave form signal Toshifumi Kunimoto, Norio Suzuki, Takaaki Muto 1996-05-28
5432296 Musical tone synthesizing apparatus utilizing an all-pass filter having a variable fractional delay Iwao Higashi 1995-07-11
5308918 Signal delay circuit, FIR filter and musical tone synthesizer employing the same Akira Yamauchi, Toshifumi Kunimoto, Iwao Higashi 1994-05-03
5256830 Musical tone synthesizing apparatus Toshifumi Kunimoto 1993-10-26
5245127 Signal delay circuit, FIR filter and musical tone synthesizer employing the same Akira Yamauchi, Toshifumi Kunimoto, Iwao Higashi 1993-09-14
5241129 Electronic musical instrument having physical model tone generator Takaaki Muto 1993-08-31
5223653 Musical tone synthesizing apparatus Toshifumi Kunimoto 1993-06-29
5223657 Musical tone generating device with simulation of harmonics technique of a stringed instrument 1993-06-29
5000074 Effect imparting device for an electronic musical instrument or the like apparatus Toshihiro Inoue, Akira Iizuka 1991-03-19
4766795 Tone synthesis method using modulation operation for an electronic musical instrument 1988-08-30
4552051 Electronic musical instrument with key touch detector and operator member 1985-11-12
RE31653 Electronic musical instrument of the harmonic synthesis type 1984-08-28
4256004 Electronic musical instrument of the harmonic synthesis type 1981-03-17