Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683657 | Biasing force adjustment device, hydraulic control valve having the same, and method of manufacturing biasing force adjustment device | Tetsuya Hara, Hiroyuki Nakane, Masaki Aihara | 2017-06-20 |