Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959709 | Method of producing steel for steel pipe excellent in sour-resistance performance | Mitsuhiro Numata, Tomohiko Omura | 2011-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959709 | Method of producing steel for steel pipe excellent in sour-resistance performance | Mitsuhiro Numata, Tomohiko Omura | 2011-06-14 |