Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486231 | Dual phase stainless steel suitable for use in sour wells | Kazuo Fujiwara, Haruo Tomari, Nobuhiro Sato | 1984-12-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486231 | Dual phase stainless steel suitable for use in sour wells | Kazuo Fujiwara, Haruo Tomari, Nobuhiro Sato | 1984-12-04 |