Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7973233 | Musical tone control system for grand-type piano | Hisamitsu Honda, Kenichi Hirota | 2011-07-05 |
| 7893344 | Touch detecting device of keyboard instrument | — | 2011-02-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7973233 | Musical tone control system for grand-type piano | Hisamitsu Honda, Kenichi Hirota | 2011-07-05 |
| 7893344 | Touch detecting device of keyboard instrument | — | 2011-02-22 |