Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848536 | Voice coil assembly, loudspeaker using the same, and method for producing the same | Koichi Sadaie, Hiroyasu Kumo, Yoshihide Toyoshima, Satofumi Nagaoka, Kouichi Abe | 2010-12-07 |