Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028388 | Method for producing chromium containing molten iron with low sulphur concentration | Chikashi Tada, Keizo Taoka, Sumio Yamada | 1991-07-02 |
| 4919713 | Process for producing chromium containing molten iron | Sumio Yamada, Chikashi Tada, Keizo Taoka | 1990-04-24 |
| 4392886 | Method of recovering CO-rich exhaust gas in refining of metal | Mikio Kodaka, Hitoshi Morishita, Fumio SUDO | 1983-07-12 |
| 4356032 | Method of dephosphorizing molten pig iron | Hitoshi Morishita, Fumio SUDO | 1982-10-26 |