Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7844071 | Loudspeaker | Osamu Funahashi, Kimihiro Ando, Kazuyoshi Umemura | 2010-11-30 |
| 7574013 | Speaker | Osamu Funahashi, Kimihiro Ando, Kazuyoshi Umemura, Yoichi Asahi | 2009-08-11 |
| 7539323 | Speaker | Osamu Funahashi | 2009-05-26 |