Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689332 | Process for removing carbon dioxide from combustion gases | Kunihiko Yoshida, Tomio Mimura, Shigeru Shimojo, Mutsunori Karasaki, Masaki Iijima | 2004-02-10 |
| 6500397 | Method for removing carbon dioxide from combustion exhaust gas | Kunihiko Yoshida, Tomio Mimura, Shigeru Shimojo, Mutsunori Karasaki, Masaki Iijima +1 more | 2002-12-31 |
| 6423282 | Method for the regeneration of an acid gas absorbing fluid containing methydiethanolamine and a (lower alkyl) piperazine | Ryosuke Araki, Masaki Iijima, Hiroshi Tanaka | 2002-07-23 |
| 6274108 | Recovery of carbon dioxide from combustion exhaust gas | Masumi Fujii, Yoshitsugu Hotta, Taiichiro Suda, Kenji Kobayashi, Kunihiko Yoshida +4 more | 2001-08-14 |
| 6117404 | Apparatus and process for recovering basic amine compounds in a process for removing carbon dioxide | Tomio Mimura, Hidenobu Shimayoshi, Hiroshi Tanaka, Masaki Iijima | 2000-09-12 |
| 6051161 | Method for the removal of carbon dioxide present in gases and absorbent | Hitomi Suzuki, Tomio Mimura, Toru Iwaki, Hiroshi Tanaka, Masaki Iijima | 2000-04-18 |
| 6036931 | Method for removing carbon dioxide from combustion exhaust gas | Kunihiko Yoshida, Tomio Mimura, Shigeru Shimojo, Mutsunori Karasaki, Masaki Iijima +1 more | 2000-03-14 |
| 5904908 | Method for the removal of carbon dioxide present in gases | Hitomi Suzuki, Tomio Mimura, Toru Iwaki, Hiroshi Tanaka, Masaki Iijima | 1999-05-18 |
| 5895634 | Desulfurization and decarbonation process | Hiroshi Tanaka, Masaki Iijima | 1999-04-20 |
| 5853680 | Process for the removal of highly concentrated carbon dioxide from high-pressure natural gas | Masaki Iijima | 1998-12-29 |
| 5750083 | Method for the removal of hydrogen sulfide present in gases | Tomio Mimura, Shigeru Shimojo, Masaki Iijima | 1998-05-12 |
| 5744110 | Method for the removal of carbon dioxide from combustion exhaust gas | Tomio Mimura, Shigeru Shimojo, Masaki Iijima | 1998-04-28 |
| 5736115 | Process for the removal of carbon dioxide from gases | Masaki Iijima | 1998-04-07 |
| 5700437 | Method for removing carbon dioxide from combustion exhaust gas | Masumi Fujii, Taiichiro Suda, Yoshitsugu Hotta, Koichi Kitamura, Yukihiro Jinno +3 more | 1997-12-23 |
| 5648053 | Process for removing carbon dioxide and nitrogen oxides from combustion gases | Tomio Mimura, Shigeru Shimojo, Masaki Iijima | 1997-07-15 |
| 5618506 | Process for removing carbon dioxide from gases | Hitomi Suzuki, Atsushi Hayakawa, Tomio Mimura, Shigeru Shimojo, Hidenobu Shimayoshi +2 more | 1997-04-08 |
| 5609840 | Method for the removal of hydrogen sulfide present in gases | Tomio Mimura, Shigeru Shimojo, Masaki Iijima | 1997-03-11 |
| 5603908 | Process for removing carbon dioxide from combustion gases | Kunihiko Yoshida, Tomio Mimura, Shigeru Shimojo, Mutsunori Karasaki, Masaki Iijima +1 more | 1997-02-18 |
| 5603377 | Heat pipe and gas-liquid contacting apparatus capable of heat exchange using the heat pipes and heat exchanger of gas-liquid contacting plate type | Masumi Fujii, Taiichiro Suda, Yoshitsugu Hotta, Koichi Kitamura, Yukihiro Jinno +3 more | 1997-02-18 |
| 5536454 | Apparatus for gas-liquid contact | Masumi Fujii, Yoshitsugu Hotta, Taiichiro Suda, Kouichi Kitamura, Yukihiro Jinno +6 more | 1996-07-16 |
| 5464604 | Method for purifying high-temperature reducing gas | Mitsugi Suehiro, Toru Seto, Kenji Inoue | 1995-11-07 |
| 5427752 | Process for purifying high-temperature reducing gases | Mitsugi Suehiro, Touru Seto, Kenji Inoue, Kazuhiko Shirota | 1995-06-27 |
| 5378442 | Method for treating combustion exhaust gas | Masumi Fujii, Taiichiro Suda, Yoshitsugu Hotta, Kenji Kobayashi, Kunihiko Yoshida +6 more | 1995-01-03 |
| 5344627 | Process for removing carbon dioxide from combustion exhaust gas | Masumi Fujii, Taiichiro Suda, Yoshitsugu Hotta, Kenji Kobayashi, Kunihiko Yoshida +4 more | 1994-09-06 |
| 5339633 | Recovery of carbon dioxide from combustion exhaust gas | Masumi Fujii, Yoshitsugu Hotta, Taiichiro Suda, Kenji Kobayashi, Kunihiko Yoshida +4 more | 1994-08-23 |