Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465136 | Refined-coal production method, and refined-coal production device | Shigeru Kinoshita, Hiroki Watanabe, Shinichi Katsushima | 2019-11-05 |
| 10287524 | Modified coal storage method | Toru HIGUCHI, Yoichi Takahashi, Atsushi Furuya | 2019-05-14 |