Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147969 | Musical tone control apparatus | Teruo Hiyoshi, Akira Nakada, Hideo Suzuki, Kunihiko Watanabe | 1992-09-15 |
| 5125313 | Musical tone control apparatus | Teruo Hiyoshi, Akira Nakada, Hideo Suzuki, Kunihiko Watanabe | 1992-06-30 |