Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410625 | Combined oil control ring | Masahiro Nakazawa, Tadahiko Watanabe | 2016-08-09 |
| 9312717 | Electric energy storage device and installation-operation method thereof | Masayuki Nogi, Ryo Takagi, Koji Ootsuji, Mitsuhiko Matsui | 2016-04-12 |