Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191161 | Electronic musical instrument including waveshape memory and modifiable address control | — | 1993-03-02 |
| 5025702 | Electronic musical instrument employing time-sharing frequency modulation and variable control of harmonics | — | 1991-06-25 |
| 4748888 | Electronic musical instrument including waveshape memory and modifiable address control | — | 1988-06-07 |
| 4643066 | Electronic musical instrument | — | 1987-02-17 |
| 4492142 | Timbre modulation circuit for electronic musical instruments | Akira Nakada, Tutomu Suzuki | 1985-01-08 |
| 4432265 | Electronic musical instrument controlling tone properties by control data signals | Tomoaki Sekiguchi | 1984-02-21 |
| 4402245 | Electronic musical instrument with special tone generator | Takashi Ubayama, Hideo Suzuki | 1983-09-06 |
| 4381689 | Chord generating apparatus of an electronic musical instrument | — | 1983-05-03 |
| RE31090 | Electronic musical instrument | Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Yasuji Uchiyama | 1982-11-30 |
| 4333374 | Submultiple-related-frequency wave generator | Takatoshi Okumura, Akira Nakada, Yasuji Uchiyama, Eiichiro Aoki, Eiichi Yamaga | 1982-06-08 |
| 4326441 | Automatic performance device | Akio Imamura | 1982-04-27 |
| 4321850 | Electronic musical instrument with highest priority key tone production | Yasuji Uchiyama | 1982-03-30 |
| 4297934 | Display device for automatic rhythm performance apparatus | Akio Imamura | 1981-11-03 |
| 4235142 | Electronic musical instrument of time-shared digital processing type | Akira Nakada, Eiichiro Aoki, Takatoshi Okumura, Yasuji Uchiyama, Eiichi Yamaga | 1980-11-25 |
| 4228712 | Key code data generator | Yasuji Uchiyama, Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Eiichi Yamaga | 1980-10-21 |
| 4228403 | Submultiple-related-frequency wave generator | Takatoshi Okumura, Akira Nakada, Yasuji Uchiyama, Eiichiro Aoki, Eiichi Yamaga | 1980-10-14 |
| 4223584 | Electronic musical instrument | Akira Nakada, Eiichiro Aoki, Takatoshi Okumura, Yasuji Uchiyama, Eiichi Yamaga | 1980-09-23 |
| 4218948 | Electronic musical instrument of key code processing type | Akira Nakada, Eiichiro Aoki, Takatoshi Okumura, Yasuji Uchiyama, Eiichi Yamaga | 1980-08-26 |
| 4217804 | Electronic musical instrument with automatic arpeggio performance device | Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Yasuji Uchiyama | 1980-08-19 |
| 4192211 | Electronic musical instrument | Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Yasuji Uchiyama | 1980-03-11 |