Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494207 | Friction damper | Akihiko Okimura, Kazuhiro Nagashima, Yoshikazu Arai | 2016-11-15 |
| 9488240 | Friction damper | Akihiko Okimura, Kazuhiro Nagashima, Yoshikazu Arai | 2016-11-08 |
| 9400028 | Hydraulic pressure spring and method of manufacturing the same | Teruo Aramizu | 2016-07-26 |