Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12324509 | Music rack unit-mounting structure of grand piano | — | 2025-06-10 |
| 11017749 | Touch weight adjustment mechanism for keyboard device | Hanayo Tsuzuku, Mikhail Vasilievich Pletnev | 2021-05-25 |
| 10847130 | Keyboard device including link mechanism | Mikhail Vasilievich Pletnev, Anton Nikitin, Hideyuki Ishida | 2020-11-24 |
| 10410610 | Damper for piano | — | 2019-09-10 |
| 9437173 | Piano action | — | 2016-09-06 |