Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695942 | Rotary joint | Hidekazu Takahashi | 2017-07-04 |
| 8336921 | Rotary joint | Hidekazu Takahashi | 2012-12-25 |
| 7744094 | Mechanical seal device | Takashi Yanagisawa, Koji Akiyama, Masanobu Ito | 2010-06-29 |