Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466828 | Process for smelting nickel | Taijiro Okabe, Akira Tomita | 1984-08-21 |
| 4278442 | Method for reducing caking property of coal | Minoru Matsuda, Hirotsugu IWASAKI, Masashi Iino, Hiroshi Fukutome | 1981-07-14 |