Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D497935 | Adjustable trigger | Kiyoshi Yoshino, Akihiko Fukuoka | 2004-11-02 |
| 6794569 | Acoustic instrument triggering device and method | Kiyoshi Yoshino | 2004-09-21 |
| D492342 | Drum trigger | Kiyoshi Yoshino, Akihiko Fukuoka | 2004-06-29 |