Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036409 | Speaker cabinet and speaker using the same | Sadatoshi Hisamoto, Yushi Ono, Kosuke Heki, Hiroyuki Mizutani | 2011-10-11 |
| 7864977 | Voice coil assembly and loudspeaker using the same | Yoshihide Toyoshima, Hiroyasu Kumo | 2011-01-04 |