Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7135633 | Pedal locking device and pedal device | Hideyuki Miyajima, Naoki Sato | 2006-11-14 |
| 6963022 | Drum and head diaphragm adjustor for drum | — | 2005-11-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7135633 | Pedal locking device and pedal device | Hideyuki Miyajima, Naoki Sato | 2006-11-14 |
| 6963022 | Drum and head diaphragm adjustor for drum | — | 2005-11-08 |