Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D539784 | Speaker | Koji Yasuda | 2007-04-03 |
| D538263 | Speaker | Koji Yasuda | 2007-03-13 |
| 5543579 | Effector | Kousuke Takata | 1996-08-06 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D539784 | Speaker | Koji Yasuda | 2007-04-03 |
| D538263 | Speaker | Koji Yasuda | 2007-03-13 |
| 5543579 | Effector | Kousuke Takata | 1996-08-06 |