Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823931 | Tubular threaded joint | Takahiro Hamamoto, Katsutoshi Sumitani, Masaaki Sugino, Michihiko Iwamoto, Miyuki Yamamoto +2 more | 2010-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823931 | Tubular threaded joint | Takahiro Hamamoto, Katsutoshi Sumitani, Masaaki Sugino, Michihiko Iwamoto, Miyuki Yamamoto +2 more | 2010-11-02 |