Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9646593 | Up/down motion detecting apparatus for hi-hat and an electronic percussion instrument including the apparatus | Haruo Watanabe, Hideaki Takehisa | 2017-05-09 |
| 9082378 | Supporting structure for electronic pad of percussion instrument | — | 2015-07-14 |
| 8461445 | Electronic percussion instrument having groupable playing pads | Hideaki Takehisa, Haruo Watanabe, Daizo Sato | 2013-06-11 |