Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162980 | Electronic upright piano and a method of manufacture thereof | Muneo Ishida, Masaji Kimura, Shinichiro Miwa | 2000-12-19 |
| 6145197 | Method of assembling a grand piano | Yutaka Nakao, Manabu Arimori | 2000-11-14 |
| 6087574 | Electronic piano | Muneo Ishida, Makoto Nakayama | 2000-07-11 |
| 5959223 | Method of assembling an upright piano | Makoto Kanemitsu, Shinichiro Miwa, Hidetaka Hanajima | 1999-09-28 |