Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11698576 | Projection device having rotation lock mechanism and projection lens having rotation lock mechanism | Hitoshi Shimizu, Yasuto Kuroda | 2023-07-11 |
| 11292976 | Slag discharge system, gasifier, and slag filtration method | Tomoya Hayashi, Masato Murayama, Yoshinori Koyama, Naoshige Yoshida | 2022-04-05 |
| 11286437 | Slag discharge device, gasifier furnace and integrated gasification combined cycle, and slag discharge method | Tatsuya Kume, Haruto Shinoda, Yoshiaki Arakawa, Yoshinori Koyama, Yasunari Shibata +1 more | 2022-03-29 |
| 10669494 | Slag discharge system, gasifier provided with same, and method for operating slag discharge system | Tomoya Hayashi, Masato Murayama, Yoshinori Koyama, Naoshige Yoshida | 2020-06-02 |
| 10233401 | Char feeding hopper, char recovery system, and coal gasification combined power generation system | Yoshinori Koyama, Yasuo Soda, Junichiro Yamamoto, Koji Nishimura, Naoto Nakayama | 2019-03-19 |
| 9345253 | Metal soap for addition to food and process for production thereof | Masahiro Fukumoto, Noriko Fujio, Nobuhiko Shizuka | 2016-05-24 |
| 7997740 | Integrator unit | — | 2011-08-16 |
| 6853363 | Projection type image display apparatus | Kazuya Yoneyama | 2005-02-08 |
| 6726331 | Image synthesizing optical apparatus | — | 2004-04-27 |
| 6616280 | Projection type image display apparatus using reflection type liquid crystal display device | Kazuya Yoneyama | 2003-09-09 |
| 6601959 | Projector device wherein the incidence angle of the illumination light is made variable depending on whether the projector device is in a used or unused state | Hitoshi Shimizu | 2003-08-05 |
| 6313949 | Fly eye lens | Eiji Itoh | 2001-11-06 |
| 6097449 | Liquid-crystal projector having a mirror with a specific tilt adjustment mount | Chikara Yamamoto, Takashi Watanabe | 2000-08-01 |