Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8235167 | Vibrating body for speaker and speaker device | Hiroyuki Kobayashi, Toshihiro Hikichi, Koji Takayama, Koji Maekawa, Kenichi Oshima +2 more | 2012-08-07 |
| 8111869 | Speaker device | Minoru Horigome, Hiroshi Sato, Hiroya Oizumi | 2012-02-07 |