Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420304 | Apparatus for manufacturing rapidly cooled solidified slag | Kazuo Kanai, Haruo Itoh, Yasuto Takasaki, Kenji Ohkoshi, Yoshinobu Yanagida | 1983-12-13 |
| 4363655 | Method for operating blast furnace | Motohiko Iizuka, Sumiyuki Kishimoto | 1982-12-14 |