Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8921626 | Method for operating plant for producing mixed-gas hydrate | Masahiro Takahashi, Kenichi Sano, Toru Iwasaki | 2014-12-30 |
| 8138382 | Process for producing mixed gas hydrate | Masahiro Takahashi, Toru Iwasaki | 2012-03-20 |
| 7842266 | Method of denitration of exhaust gas and apparatus therefor | Youichi Takahashi, Yutaka Tsukui, Kimihiko Sugiura, Shoichi Ibaragi, Toshiharu Inaba | 2010-11-30 |
| 7700058 | Process for denitration of exhaust gas | Kimihiko Sugiura, Shoichi Ibaragi, Youichi Takahashi, Yutaka Tsukui | 2010-04-20 |