Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228712 | Key code data generator | Yasuji Uchiyama, Akira Nakada, Takatoshi Okumura, Eiichi Yamaga, Akiyoshi Oya | 1980-10-21 |
| 4228403 | Submultiple-related-frequency wave generator | Takatoshi Okumura, Akira Nakada, Yasuji Uchiyama, Eiichi Yamaga, Akiyoshi Oya | 1980-10-14 |
| 4223584 | Electronic musical instrument | Akira Nakada, Akiyoshi Oya, Takatoshi Okumura, Yasuji Uchiyama, Eiichi Yamaga | 1980-09-23 |
| 4218948 | Electronic musical instrument of key code processing type | Akira Nakada, Akiyoshi Oya, Takatoshi Okumura, Yasuji Uchiyama, Eiichi Yamaga | 1980-08-26 |
| 4217804 | Electronic musical instrument with automatic arpeggio performance device | Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Akiyoshi Oya, Yasuji Uchiyama | 1980-08-19 |
| 4192212 | Electronic musical instrument with automatic performance device | Eiichi Yamaga, Akio Imamura | 1980-03-11 |
| 4192211 | Electronic musical instrument | Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Akiyoshi Oya, Yasuji Uchiyama | 1980-03-11 |
| 4186640 | Electronic musical instrument | Teruo Hiyoshi, Akira Nakada, Yasuji Uchiyama, Eiichi Yamaga | 1980-02-05 |
| 4186635 | Electronic musical instrument | Akira Nakada | 1980-02-05 |
| 4185532 | Envelope generator | Teruo Hiyoshi, Akira Nakada, Shigeru Yamada, Eiichi Yamaga | 1980-01-29 |
| 4184401 | Electronic musical instrument with automatic bass chord performance device | Teruo Hiyoshi, Akira Nakada, Shigeru Yamada, Eiichi Yamaga | 1980-01-22 |