TH

Tokuji Hayakawa

Yamaha: 9 patents #285 of 2,001Top 15%
CO Colin: 2 patents #21 of 47Top 45%
NS Nippon Gakki Seizo: 2 patents #116 of 332Top 35%
CC Colin Electronics Co.: 1 patents #28 of 69Top 45%
Overall (All Time): #326,510 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
7365262 Electronic musical apparatus for transposing musical piece 2008-04-29
6486387 Fingering information analyzer, electronic musical instrument including fingering information analysis and method therefore Hiroshi Munekawa, Motoichi Tamura, Takeo Shibukawa, Eiichiro Aoki, Akira Nakada 2002-11-26
6068601 Blood pressure measuring apparatus Makoto Miyazaki, Akihiro Yokozeki, Yoshihisa Miwa, Chikao Harada 2000-05-30
6025551 Fingering information analyzer and electronic musical instrument with the same Hiroshi Munekawa, Motoichi Tamura, Takeo Shibukawa, Eiichiro Aoki, Akira Nakada 2000-02-15
5942710 Automatic accompaniment apparatus and method with chord variety progression patterns, and machine readable medium containing program therefore Masao Ishibashi 1999-08-24
5730139 Blood pressure measuring apparatus Makoto Miyazaki, Akihiro Yokozeki, Yoshihisa Miwa, Chikao Harada 1998-03-24
5422430 Electrical musical instrument providing sound field localization Tadahiko Ikeya 1995-06-06
5326930 Musical playing data processor 1994-07-05
5208416 Automatic performance device Yorihisa Yamaguchi, Takeo Shibukawa 1993-05-04
5189238 Automatic performance apparatus for causing different kinds of sound sources to synchronously generate tones 1993-02-23
5117728 Soft pedal effect applying apparatus Takeo Shibukawa, Hidemichi Kimura 1992-06-02
5054495 Automatic blood-pressure measuring apparatus Masahiro Uemura, Hideichi Tsuda, Hifumi Yokoe 1991-10-08
4995399 Blood pressure measuring system Ressei Hayashi 1991-02-26
4726276 Slur effect pitch control in an electronic musical instrument Mitsumi Katoh, Masatada Wachi 1988-02-23
4719833 Tone signal generation device with interpolation of sample points Mitsumi Katoh 1988-01-19