Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8262766 | Method for reducing chromium containing raw material | Hiroshi Sugitatsu, Hidetoshi Tanaka, Takao Harada, Isao Kobayashi | 2012-09-11 |
| 8157888 | Process for producing molten iron | Shuzo Ito, Koji Tokuda | 2012-04-17 |
| 8088195 | Method for manufacturing titanium oxide-containing slag | Hidetoshi Tanaka, Hiroshi Uemura, Takao Harada, Hiroshi Sugitatsu, Isao Kobayashi | 2012-01-03 |
| 7993428 | Method for manufacturing molten iron | Hideaki Fujimoto, Tsuyoshi Mimura, Takao Harada, Masataka Tateishi, Hiroshi Sugitatsu | 2011-08-09 |
| 7175691 | Method of producing stainless steel by re-using waste material of stainless steel producing process | Hiroshi Sugitatsu | 2007-02-13 |
| 7160353 | Process for producing molten iron | Isao Kobayashi, Hidetoshi Tanaka, Koji Tokuda | 2007-01-09 |