Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11037533 | Upright keyboard instrument | Mitsuo Yamashita | 2021-06-15 |
| 10991347 | Leg of keyboard instrument and leg attachment structure | Mitsuo Yamashita | 2021-04-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11037533 | Upright keyboard instrument | Mitsuo Yamashita | 2021-06-15 |
| 10991347 | Leg of keyboard instrument and leg attachment structure | Mitsuo Yamashita | 2021-04-27 |