Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084167 | Keyboard instrument with touch responsive display unit | Teruo Akimoto, Kiyoshi Kawamura, Taro Kawabata, Yasuhiko Ohba, Tadaharu Kato +2 more | 2000-07-04 |
| 5483861 | Keyboard instrument equipped with durable hammer stopper for selectively producing acoustic sounds and synthesized sounds | Kiyoshi Kawamura | 1996-01-16 |