Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901482 | Removal method of nitrogen in molten steel | Chitoshi Matsumura | 2011-03-08 |
| 6732547 | Method for the treating stainless steel refining slag | Hisahiro Matsunaga, Masato Kumagai, Toshikazu Sakuraya | 2004-05-11 |
| 6250370 | Method for water-cooling hot metal slabs | Yuji Miki | 2001-06-26 |
| 5356454 | Mold powder for continuous casting | Seiji Itoyama, Hidenari Kitaoka, Toshikazu Sakuraya, Kenichi Sorimachi, Saburo Moriwaki +4 more | 1994-10-18 |
| 5028388 | Method for producing chromium containing molten iron with low sulphur concentration | Keizo Taoka, Sumio Yamada, Hajime Bada | 1991-07-02 |
| 4919713 | Process for producing chromium containing molten iron | Sumio Yamada, Keizo Taoka, Hajime Bada | 1990-04-24 |