Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985075 | Method for manufacturing chromium-bearing pig iron | Yotaro Ohno, Masahiro Matsuura, Kenkichi Sato | 1991-01-15 |
| 4515351 | Method and apparatus for manufacturing non-fired iron-bearing pellet | Michio Nakayama, Osamu Tajima, Seiji Matsui, Hideyuki Yoshikoshi | 1985-05-07 |
| 4504306 | Method of producing agglomerates | Tsuneo Miyashita, Noboru Sakamoto | 1985-03-12 |
| 4432788 | Method for manufacturing non-fired iron-bearing pellet | Michio Nakayama, Osamu Tajima, Seiji Matsui, Hideyuki Yoshikoshi | 1984-02-21 |