Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581247 | Shaft seal apparatus | Yoshiaki Takigahira, Atsushi Kaneko, Tetsuya Sato | 2017-02-28 |
| 8585060 | Tandem seal device | Koji Akiyama, Joji Watanabe, Atsushi Kaneko | 2013-11-19 |