Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117874 | Flexible fluid transport pipe having hydrogen-induced cracking resistant high-strength steel | Ikuo Ochiai, Manjiro Sato, Masatsugu Murao, Kazuhiko Murao, Hideo Chiba +2 more | 1992-06-02 |