Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300206 | Keyboard apparatus and proximity sensor | Soichi Takigawa, Koji Yataka, Yoshinari Nakamura, Takahiro Asano | 2025-05-13 |
| 9472175 | Drum head and drum | Ryuji Hashimoto | 2016-10-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300206 | Keyboard apparatus and proximity sensor | Soichi Takigawa, Koji Yataka, Yoshinari Nakamura, Takahiro Asano | 2025-05-13 |
| 9472175 | Drum head and drum | Ryuji Hashimoto | 2016-10-18 |