Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304231 | Method of refining of high purity steel | Yoshiei Kato, Tadasu Kirihara, Tetsuya Fujii, Shigeru Omiya, Masahito Suito | 1994-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304231 | Method of refining of high purity steel | Yoshiei Kato, Tadasu Kirihara, Tetsuya Fujii, Shigeru Omiya, Masahito Suito | 1994-04-19 |