Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036409 | Speaker cabinet and speaker using the same | Sadatoshi Hisamoto, Yushi Ono, Koichi Sadaie, Hiroyuki Mizutani | 2011-10-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036409 | Speaker cabinet and speaker using the same | Sadatoshi Hisamoto, Yushi Ono, Koichi Sadaie, Hiroyuki Mizutani | 2011-10-11 |