Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580764 | Top-blowing lance and method for refining molten iron using the same | Goro Okuyama, Naoki Kikuchi, Yuichi Uchida, Yukio Takahashi, Shingo Sato +2 more | 2017-02-28 |