Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11286437 | Slag discharge device, gasifier furnace and integrated gasification combined cycle, and slag discharge method | Tatsuya Kume, Yoshiaki Arakawa, Yoshinori Koyama, Yasunari Shibata, Yasuyuki Miyata +1 more | 2022-03-29 |
| 11103823 | Filter backwashing unit, char recovery unit, method of filter backwashing, and integrated gasification combined cycle | Yoshinori Koyama | 2021-08-31 |
| 10927316 | Char discharge unit, char recovery unit including char discharge unit, char discharge method, and integrated gasification combined cycle | Koji Nishimura, Naoto Nakayama, Yasunari Shibata | 2021-02-23 |
| 10465134 | Char recycling system and char conveyance method | Takashi Yamamoto, Yoshinori Koyama, Yasutaka Mizokoshi, Yasunari Shibata, Osamu Shinada +1 more | 2019-11-05 |
| 10246653 | Powder transport device and char recovery device | Yasuo Soda, Yoshinori Koyama, Yasunari Shibata | 2019-04-02 |
| 9446913 | Powder conveyance device and char recovery apparatus | Yasuo Soda, Yasunari Shibata, Yoshinori Koyama | 2016-09-20 |