Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662937 | Process for production of high-manganese iron alloy by smelting reduction | Hiroyuki Katayama, Hidetake Ishikawa, Masatoshi Kuwabara, Hiroyuki Kajioka, Masaki Fujita +2 more | 1987-05-05 |