Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875316 | High reactivity and high strength coke for blast furnace and method for producing the same | Koji Hanaoka, Seiji Sakamoto, Katsutoshi Igawa, Yutaka Yamauchi, Toshiro Sawada +3 more | 2005-04-05 |