Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763120 | Speaker | Hajime Kitamura, Yoshio Imahori | 2004-07-13 |
| 6691832 | Speaker | Fuminori Moritake, Naohiro Fujinami, Tomoyuki Sato, Yoshio Imahori | 2004-02-17 |
| 6675930 | Speaker holder | Hajime Kitamura, Yoshio Imahori | 2004-01-13 |