Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013228 | Electronic keyboard musical instrument having key actuators | — | 2011-09-06 |
| 7915508 | Keyboard assembly for playing music automatically | — | 2011-03-29 |
| 7897863 | Electronic keyboard instrument having key driver | Takashi Ikeda | 2011-03-01 |
| 7816598 | Electronic keyboard musical instrument having key actuators | Hideki Ishihara | 2010-10-19 |