Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465136 | Refined-coal production method, and refined-coal production device | Shigeru Kinoshita, Takuo Shigehisa, Hiroki Watanabe | 2019-11-05 |
| 9670431 | Indirect heat drying method for particulate matter, refined-coal production method, indirect heat drying device, and refined-coal production device | Shigeru Kinoshita, Yoichi Takahashi, Hiroki Watanabe | 2017-06-06 |
| 7628827 | Apparatus and method for producing solid fuel using low-grade coal as raw material | Satoru Sugita, Tetsuya Deguchi, Takuo Shigehisa | 2009-12-08 |
| 7431744 | Apparatus and method for manufacturing solid fuel with low-rank coal | Satoru Sugita, Tetsuya Deguchi, Takuo Shigehisa | 2008-10-07 |