Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898600 | Apparatus for recovering high temperature blast furnace gas | Genichi Ishibashi, Hideyuki Kamano | 1990-02-06 |
| 4653065 | Preheating mechanism for use with duplex electric-arc furnace system | Hiroshi Nakatani, Katsuya Kogumasaka, Seiyu Takao, Isao Arimitsu, Hisanori Fujimori | 1987-03-24 |
| 4583230 | Apparatus for induction heating of molten metal | Tadayuki Komada, Yoshiyuki Inoshita | 1986-04-15 |
| 4565479 | Raw materials charging device for preheating furnace | Hiroshi Nakatani, Shozo Minami, Katsuya Kogumasaka | 1986-01-21 |
| 4387884 | Structure of oxygen passage in steel converter vessel supporting trunnion | Koji Wada, Yukito Io | 1983-06-14 |
| 4382582 | Air blast slag cut off device for steel converter | — | 1983-05-10 |
| 4325540 | Apparatus for supplying fluids to a converter | Yukito Io | 1982-04-20 |