Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357220 | Systems and methods for controlling acoustical damping | — | 2008-04-15 |
| 5755844 | Resin-made air cleaner | Yasunari Arai, Yoshiyuki Murao, Yasuhiro Okazaki, Tsuyoshi Minari, Kouji Kume | 1998-05-26 |