Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |