Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336339 | Refractory shape steel material containing oxide and process for proucing rolled shape steel of said material | Kohichi Yamamoto, Kazuo Watanabe | 1994-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336339 | Refractory shape steel material containing oxide and process for proucing rolled shape steel of said material | Kohichi Yamamoto, Kazuo Watanabe | 1994-08-09 |