Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183495 | Method for controlling a flow rate of gas for prereducing ore and apparatus therefor | Tatsuro Ariyama, Shinichi Isozaki, Masahiro Matsuo, Genji Kanatani | 1993-02-02 |
| 5065985 | Method for smelting reduction of iron ore and apparatus therefor | Kenji Takahashi, Katsuhiro Iwasaki, Shigeru Inoue, Haruyoshi Tanabe, Masahiro Kawakami +1 more | 1991-11-19 |
| 5000784 | Method for smelting reduction of iron ore | Kenji Takahashi, Katsuhiro Iwasaki, Shigeru Inoue, Haruyoshi Tanabe, Masahiro Kawakami +1 more | 1991-03-19 |
| 4988079 | Apparatus for smelting and reducing iron ores | Kenji Takahashi, Katsuhiro Iwasaki, Shigeru Inoue, Haruyoshi Tanabe, Masahiro Kawakami +1 more | 1991-01-29 |
| 4936908 | Method for smelting and reducing iron ores | Kenji Takahashi, Katsuhiro Iwasaki, Shigeru Inoue, Haruyoshi Tanabe, Masahiro Kawakami +1 more | 1990-06-26 |
| 4792352 | Method for manufacturing steel through smelting reduction | Akichika Ozeki, Katsuhiro Iwasaki | 1988-12-20 |
| 4601749 | Method for adjusting chemical composition of molten pig iron tapped from blast furnace | Katsuhiro Iwasaki, Mitsuru Ohtsuki, Haruo Ito | 1986-07-22 |