Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9182060 | Spherical annular seal member and method of manufacturing the same | Osamu Miyashita, Eiji Satou, Koichi Ishida, Satoshi Matsunaga | 2015-11-10 |
| 9097376 | Spherical annular seal member and method of manufacturing the same | Osamu Miyashita, Eiji Satou, Koichi Ishida, Satoshi Matsunaga | 2015-08-04 |
| 9016694 | Spherical annular seal member and method of manufacturing the same | Osamu Miyashita, Eiji Satou, Koichi Ishida, Satoshi Matsunaga | 2015-04-28 |