Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10215314 | Tubular threaded connection | Bertrand Maillon | 2019-02-26 |
| 10145495 | Tubular threaded connection | Bertrand Maillon | 2018-12-04 |
| 10077612 | Screw joint for steel pipe | Yousuke Oku, Tatsuya Yamamoto, Masaaki Sugino | 2018-09-18 |
| 8931809 | Tubular threaded connection | Bertrand Maillon, Yousuke Oku | 2015-01-13 |