Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549336 | High torque tool joint | Mitsuaki Hori, Katsumi Wadano | 1996-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549336 | High torque tool joint | Mitsuaki Hori, Katsumi Wadano | 1996-08-27 |