Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8309031 | Gas hydrate production apparatus | Yuichi Katoh, Toru Iwasaki, Takashi Arai, Kiyoshi Horiguchi, Tetsuro Murayama +3 more | 2012-11-13 |
| 8153075 | Gas hydrate production apparatus | Tetsuro Murayama, Hidenori Moriya, Takashi Arai, Nobutaka Oya | 2012-04-10 |
| 8043579 | Gas hydrate production apparatus and dewatering unit | Yuichi Katoh, Toru Iwasaki, Takashi Arai, Kiyoshi Horiguchi, Tetsuro Murayama +3 more | 2011-10-25 |
| 7999141 | Process for producing gas hydrate pellet | Yuichi Katoh, Kiyoshi Horiguchi, Toru Iwasaki | 2011-08-16 |
| 5089184 | Optical molding method | Yoshinao Hirano, Katsumi Sato, Katsuhide Murata | 1992-02-18 |
| 5089185 | Optical molding method | Yoshinao Hirano, Katsumi Sato, Junji Shirai | 1992-02-18 |
| 5009585 | Optical molding apparatus and movable base device therefor | Yoshinao Hirano, Katsumo Sato, Katsuhide Murata, Kazuhito Horikiri, Junji Shirai | 1991-04-23 |
| 4455148 | Method for de-ashing and transportation of coal | Kenichi Nagata, Yuuichi Katoh, Katsumi Satoh, Takashi Yano | 1984-06-19 |