Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997627 | Threaded joint for steel pipes | Masaaki Sugino, Michihiko Iwamoto, Shigeo Nagasaku, Pierre Dutilleul, Gabriel Roussie +1 more | 2011-08-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997627 | Threaded joint for steel pipes | Masaaki Sugino, Michihiko Iwamoto, Shigeo Nagasaku, Pierre Dutilleul, Gabriel Roussie +1 more | 2011-08-16 |