Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494207 | Friction damper | Akihiko Okimura, Go Tanaka, Yoshikazu Arai | 2016-11-15 |
| 9488240 | Friction damper | Akihiko Okimura, Go Tanaka, Yoshikazu Arai | 2016-11-08 |
| 8584821 | Friction damper | Akihiko Okimura, Go Tanaka, Yoshikazu Arai | 2013-11-19 |
| 7322451 | Friction damper | Akihiko Okimura, Go Tanaka, Yoshikazu Arai | 2008-01-29 |
| 4906011 | Vacuum chuck | Makoto Hiyamizu, Yasuhiro Tani | 1990-03-06 |