Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543125 | Process of making steel in converter using a great amount of iron-bearing cold material | Fumio SUDO, Tetsuya Fujii, Yoshiei Kato, Sumio Yamada | 1985-09-24 |
| 4398948 | Methods for controlling blowing, controlling the slag formation and predicting slopping in the blowing of molten pig iron in LD converter | Masayuki Onishi, Hirosuke Yamada, Katsuhisa Hirayama, Hideshi Ohzu, Masakatsu Ogawa +1 more | 1983-08-16 |