Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745632 | Slag discharge system and gasifier | Yoshinori Koyama | 2020-08-18 |
| 10746105 | Control device and control method using fuel supply acceleration command value | Takanori Tsutsumi, Yoshinori Koyama, Ken Tamura, Takashi Fujii | 2020-08-18 |
| 10697714 | Multiple tube-type heat exchanger and heat transfer tube cleaning method for same | Yoshinori Koyama | 2020-06-30 |
| 10669494 | Slag discharge system, gasifier provided with same, and method for operating slag discharge system | Tomoya Hayashi, Yoshinori Koyama, Naoshige Yoshida, Yasuyuki Miyata | 2020-06-02 |
| 10654274 | Liquid ejecting apparatus and maintenance method for the same | Takeshi Yoshida | 2020-05-19 |