Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276359 | Threaded connection for pipe | Satoshi Maruta, Yousuke Oku, Pierre Martin | 2025-04-15 |
| 11493154 | Threaded connection including an intermediate shoulder | Alan Fothergill, Sébastien Villert | 2022-11-08 |
| 9605781 | Threaded connection comprising at least one threaded element with an end lip for a metal tube | Sylvain Beigneux, Bertrand Maillon, Claire Patureau, Eric Verger, Michihiko Iwamoto +3 more | 2017-03-28 |
| 9568125 | Threaded joint for steel pipes | Suguru Yamaguchi, Keiichi Nakamura, Masaaki Sugino, Michihiko Iwamoto, Gabriel Briquet +3 more | 2017-02-14 |