Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604324 | Musical tone signal generating apparatus including a plurality of voice units | Yasuyuki Umeyama | 1997-02-18 |
| 5272276 | Electronic musical instrument adapted to simulate a rubbed string instrument | Tetsuo Okamoto, Satoshi Usa | 1993-12-21 |