Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365195 | Volume control apparatus producing reduced noise and distortion | — | 1994-11-15 |
| 5191512 | Heat sink/circuit board assembly | Shinichi Ogura, Hiroo Adachi, Osamu Shishido, Tetsuya Watanabe, Yuuichi Mineo +3 more | 1993-03-02 |