Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776453 | Tightening device and tightening method | Katsuhiro Fujimoto, Tatsuo Hirai, Yukio Torigai, Tatsuo Nakahata, Manabu Saito +1 more | 2017-10-03 |
| 9645026 | Tightening device | Katsuhiro Fujimoto, Tatsuo Hirai, Yukio Torigai, Tatsuo Nakahata, Manabu Saito +1 more | 2017-05-09 |