Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005317 | Method for producing solid fuel and solid fuel produced by the method | Seiichi Yamamoto, Takuo Shigehisa, Satoru Sugita, Shigeru Kinoshita | 2015-04-14 |
| 8758602 | Method and apparatus for upgrading coal | Seiichi Yamamoto, Takuo Shigehisa, Satoru Sugita, Shigeru Kinoshita | 2014-06-24 |
| 8523961 | Method for manufacturing briquetted solid fuel using porous coal as starting material | Satoru Sugita, Seiichi Yamamoto, Takuo Shigehisa, Shigeru Kinoshita, Takahiro Shimizu | 2013-09-03 |
| 7320715 | Method for drying plant-derived biomass and method for producing biomass fuel | Takuo Shigehisa, Masaaki Tamura, Tetsuya Deguchi, Satoru Sugita | 2008-01-22 |