Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9957581 | Method for refining hot metal in converter | Kenji Nakase, Yukio Takahashi, Naoki Kikuchi, Goro Okuyama, Shingo Sato +1 more | 2018-05-01 |
| 9920390 | Method for preliminary treatment of molten iron | Yozo Iwaki, Shizuhiko Ikeno, Kochiro Ejima, Takeshi Ishii, Masanori Nishikori +11 more | 2018-03-20 |