Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10131858 | Method for manufacturing ashless coal | Koji Sakai, Noriyuki Okuyama, Shigeru Kinoshita | 2018-11-20 |
| 10035967 | Method for producing ash-free coal | Noriyuki Okuyama, Shigeru Kinoshita, Koji Sakai | 2018-07-31 |
| 9938477 | Ashless-coal production device, and ashless-coal production method | Noriyuki Okuyama, Koji Sakai, Shigeru Kinoshita, Maki Hamaguchi | 2018-04-10 |
| 9863283 | Steam turbine power plant and method for activating steam turbine power plant | Tatsuro Yashiki, Yukinori Katagiri, Miyuki KAWATA, Yasuhiro Yoshida, Eunkyeong KIM +4 more | 2018-01-09 |