Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10246653 | Powder transport device and char recovery device | Yoshinori Koyama, Yasunari Shibata, Haruto Shinoda | 2019-04-02 |
| 10233401 | Char feeding hopper, char recovery system, and coal gasification combined power generation system | Yasuyuki Miyata, Yoshinori Koyama, Junichiro Yamamoto, Koji Nishimura, Naoto Nakayama | 2019-03-19 |
| 9446913 | Powder conveyance device and char recovery apparatus | Haruto Shinoda, Yasunari Shibata, Yoshinori Koyama | 2016-09-20 |
| 9366435 | Ignition torch and pressurized gasification furnace including the same | Takashi Yamamoto, Katsuhiko Yokohama | 2016-06-14 |