Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31090 | Electronic musical instrument | Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Akiyoshi Oya, Yasuji Uchiyama | 1982-11-30 |
| RE30982 | Time shared tone keying system in electronic musical instrument | — | 1982-06-29 |
| 4333374 | Submultiple-related-frequency wave generator | Takatoshi Okumura, Akira Nakada, Yasuji Uchiyama, Eiichi Yamaga, Akiyoshi Oya | 1982-06-08 |
| 4327622 | Electronic musical instrument realizing automatic performance by memorized progression | — | 1982-05-04 |
| RE30906 | Envelope generator | Teruo Hiyoshi, Akira Nakada, Tsutomu Suzuki, Eiichi Yamaga | 1982-04-20 |