Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D507591 | Adjustable trigger | Yuujirou Kamijima, Akihiko Fukuoka | 2005-07-19 |
| 6881885 | Electronic pad with vibration isolation features | Masato Katsuda | 2005-04-19 |
| D497935 | Adjustable trigger | Yuujirou Kamijima, Akihiko Fukuoka | 2004-11-02 |
| 6794569 | Acoustic instrument triggering device and method | Yuujirou Kamijima | 2004-09-21 |
| 6756535 | Electronic percussion instrumental system and percussion detecting apparatus therein | Kenji Hirano, Masato Katsuda | 2004-06-29 |
| D492342 | Drum trigger | Yuujirou Kamijima, Akihiko Fukuoka | 2004-06-29 |
| 6632989 | Electronic pad with vibration isolation features | Masato Katsuda | 2003-10-14 |
| D455453 | Electronic cymbal | Akihiko Fukuoka | 2002-04-09 |
| 6271458 | Electronic percussion instrumental system and percussion detecting apparatus therein | Kenji Hirano, Masato Katsuda | 2001-08-07 |
| 6121538 | Electronic percussion instrumental system and percussion detecting apparatus therein | Kenji Hirano, Masato Katsuda | 2000-09-19 |
| 5920026 | Electronic percussion instrument with a net-like material to minimize noise | Kenji Hirano, Masato Katsuda | 1999-07-06 |