Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11790879 | Impact detection device and percussion instrument | Keizo Harada, Kazuo Masaki | 2023-10-17 |
| 11244661 | Sound damping device and vibration detection device | — | 2022-02-08 |
| 10620020 | Sensor unit that detects a strike | — | 2020-04-14 |
| 10354630 | Performance information processing device and method | Ryo Tabata, Jun Usui, Takahiro Yanagawa, Yuji Yamada | 2019-07-16 |
| 9858905 | Mounting device for cymbal type percussion instrument | — | 2018-01-02 |
| 9601095 | Percussion surface apparatus | — | 2017-03-21 |