Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850441 | Method for blending coals, and method for producing coke | Kiyoshi Fukada, Hiroyuki Sumi, Hidekazu Fujimoto, Izumi Shimoyama, Tetsuya Yamamoto +1 more | 2017-12-26 |
| 9845439 | Method for blending coals for cokemaking and method for producing coke | Izumi Shimoyama, Kiyoshi Fukada, Hidekazu Fujimoto, Tetsuya Yamamoto, Hiroyuki Sumi | 2017-12-19 |