Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961632 | Signal processing apparatus | Hiroyuki Hashimoto, Isao Kakuhari | 2005-11-01 |
| 6944309 | Headphone system | Hiroyuki Hashimoto, Isao Kakuhari, Hiroshi Hamanaka | 2005-09-13 |
| 6891954 | Vehicle-mounted noise control apparatus | Akira Takahashi, Toshio Inoue, Tsuyoshi Yamashita, Hisashi Sano, Hiroyuki Hashimoto +2 more | 2005-05-10 |