Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921857 | Electronic percussion instrumental system and percussion detecting apparatus therein | Kenji Hirano, Masato Katsuda | 2005-07-26 |
| D507591 | Adjustable trigger | Yuujirou Kamijima, Akihiko Fukuoka | 2005-07-19 |
| 6881885 | Electronic pad with vibration isolation features | Masato Katsuda | 2005-04-19 |