Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9021921 | Torque wrench | Tomohiro Ogata, Koichi Shimura, Yuji Kato, Hiroshi Tsuji | 2015-05-05 |
| 8443702 | Torque wrench | Kyo Kan, Tomohiro Ogata, Naoya Masuda, Hiroshi Tsuji | 2013-05-21 |