Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968230 | Method and furnace for disposal of steel-making waste, and operating method of the furnace | Tetsuo Okamoto | 1999-10-19 |
| 5876483 | Method and furnace for disposal of steel-making waste, and operating method of the furnace | Tetsuo Okamoto | 1999-03-02 |
| 5547489 | Process for producing low-carbon chromium-containing steel | Yoshio Inagaki, Masahide Tsuno, Akihiro Nagatani | 1996-08-20 |
| 5324342 | Method of refining molten chrome steel | Hiroshi Mori, Junichi Tsubokura | 1994-06-28 |