Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216018 | Telephone hand-free apparatus | Yukio Nakanishi, Yasuhisa Nakahara, Yasuhiro Kobayashi, Koichiro Haga, Kohei Hashimoto +1 more | 2001-04-10 |
| 5574264 | Active exhaust-noise attenuation muffler | Hiroshi Soma | 1996-11-12 |