Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847302 | Tone information processing device for an electronic musical instrument for generating sounds | Shigenori Morikawa, Hiroyuki Sasaki, Hiroshi Morokuma | 1998-12-08 |
| 5717153 | Tone information processing device for an electronic musical instrument for generating sounds | Shigenori Morikawa, Hiroyuki Sasaki, Hiroshi Morokuma | 1998-02-10 |
| 5590364 | Signal processing apparatus | Goro Sakata, Kikuji Tanaka | 1996-12-31 |
| 5546466 | Effect adding apparatus | Shiro Ishiguro, Masatoshi Watanuki, Toshiaki Kawanishi, Hiroyuki Sasaki, Jun Yoshino | 1996-08-13 |
| 5521322 | Tone information processing device for an electronic musical instrument for generating sounds | Shigenori Morikawa, Hiroyuki Sasaki, Hiroshi Morokuma | 1996-05-28 |
| 5475390 | Tone information processing device for an electronic musical instrument | Shigenori Morikawa, Hiroyuki Sasaki, Hiroshi Morokuma | 1995-12-12 |
| 5442125 | Signal processing apparatus for repeatedly performing a same processing on respective output channels in time sharing manner | Goro Sakata, Kikuji Tanaka | 1995-08-15 |
| 5410603 | Effect adding apparatus | Shiro Ishiguro, Masatoshi Watanuki, Toshiaki Kawanishi, Hiroyuki Sasaki, Jun Yoshino | 1995-04-25 |
| 5371315 | Waveform signal generating apparatus and method for waveform editing system | Kunihiro Sugita, Hiroyuki Sasaki | 1994-12-06 |
| 5298676 | Tone parameter control apparatus | Hiroyuki Sasaki, Jun Yoshino, Toshiaki Kawanishi, Masatoshi Watanuki | 1994-03-29 |
| 5262582 | Musical tone generating apparatus for electronic musical instrument | Kunihiro Sugita | 1993-11-16 |
| 5255215 | Digital filter system with changeable cutoff frequency | Goro Sakata, Kikuji Tanaka, Ryutaro Hayashi | 1993-10-19 |
| 5160798 | Tone information processing device for an electronic musical instrument for generating sound having timbre corresponding to two parameters | Shigenori Morikawa, Hiroyuki Sasaki, Hiroshi Morokuma | 1992-11-03 |
| 5140541 | Digital filter system with changeable cutoff frequency | Goro Sakata, Kikuji Tanaka, Ryutaro Hayashi | 1992-08-18 |
| 5136912 | Electronic tone generation apparatus for modifying externally input sound | Shigenori Morikawa, Kazuhisa Nakamura | 1992-08-11 |
| 5123322 | Musical tone generating apparatus for electronic musical instrument | Kunihiro Sugita, Hiroyuki Sasaki | 1992-06-23 |
| 5050216 | Effector for electronic musical instrument | Shigenori Morikawa, Kazuhisa Nakamura | 1991-09-17 |
| 5025700 | Electronic musical instrument with signal modifying apparatus | Shigenori Morikawa, Kazuhisa Nakamura | 1991-06-25 |
| 5010799 | Electronic keyboard instrument with key displacement sensors | Kikuji Tanaka | 1991-04-30 |
| 4864625 | Effector for electronic musical instrument | Shigenori Morikawa, Kazuhisa Nakamura | 1989-09-05 |
| 4754680 | Overdubbing apparatus for electronic musical instrument | Shigenori Morikawa, Kazuhisa Nakamura | 1988-07-05 |
| 4691608 | Waveform normalizer for electronic musical instrument | Hiroyuki Sasaki | 1987-09-08 |
| 4681008 | Tone information processing device for an electronic musical instrument | Shigenori Morikawa, Hiroyuki Sasaki, Hiroshi Morokuma | 1987-07-21 |
| 4667556 | Electronic musical instrument with waveform memory for storing waveform data based on external sound | Shigenori Morikawa, Hiroshi Morokuma, Hiroyuki Sasaki | 1987-05-26 |
| 4537110 | Envelope control apparatus | Keiichi Sakurai, Hideaki Ishida | 1985-08-27 |