Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10431403 | Reactive force generation device | Ichiro Osuga | 2019-10-01 |
| 10339909 | Electronic musical instrument, keyboard apparatus and frame | — | 2019-07-02 |
| 10311846 | Keyboard musical instrument and method of acquiring correction information in keyboard musical instrument | Ichiro Osuga | 2019-06-04 |