Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9211496 | Absorbent, CO2 or H2S reducing apparatus, and CO2 or H2S reducing method using absorbent | Yukihiko Inoue, Ryuji Yoshiyama, Tsuyoshi Oishi, Masaki Iijima, Masazumi Tanoura +1 more | 2015-12-15 |
| 8764884 | CO2 recovery system and method | Masaki Iijima, Takashi Kamijo, Takahito Yonekawa, Yasuyuki Yagi | 2014-07-01 |
| 8597418 | Absorbent, CO2 or H2S reducing apparatus, and CO2 or H2S reducing method using absorbent | Yukihiko Inoue, Ryuji Yoshiyama, Tsuyoshi Oishi, Masaki Iijima, Masazumi Tanoura +1 more | 2013-12-03 |
| 8597412 | CO2 recovery apparatus and CO2 recovery method | Hiroshi Tanaka, Toru Takashina, Tsuyoshi Oishi, Masaki Iijima, Kouki Ogura +1 more | 2013-12-03 |
| 8535427 | CO2 recovery system and method | Masaki Iijima, Takashi Kamijo, Takahito Yonekawa, Yasuyuki Yagi | 2013-09-17 |
| 8529678 | CO2 recovery system and method | Masaki Iijima, Takashi Kamijo, Takahito Yonekawa, Yasuyuki Yagi | 2013-09-10 |
| 8506683 | Absorbent liquid, and apparatus and method for removing CO2 or H2S from gas with use of absorbent liquid | Ryuji Yoshiyama, Masazumi Tanoura, Noriko Watari, Shuuji Fujii, Yukihiko Inoue +5 more | 2013-08-13 |
| 8415502 | Method and apparatus for producing mono-lower-alkyl monoalkanolamine | Tatsuya Tsujiuchi, Shinya Tachibana, Tsuyoshi Oishi, Yasuyuki Yagi, Hidehisa Mita +2 more | 2013-04-09 |
| 8409339 | CO2 recovery system and method | Masaki Iijima, Takashi Kamijo, Takahito Yonekawa, Yasuyuki Yagi | 2013-04-02 |
| 8231719 | Absorbent liquid, and apparatus and method for removing CO2 or H2S from gas with use of absorbent liquid | Ryuji Yoshiyama, Masazumi Tanoura, Noriko Watari, Shuuji Fujii, Yukihiko Inoue +5 more | 2012-07-31 |
| 8226748 | CO2 or H2S reducing system and method of reducing CO2 or H2S | Yukihiko Inoue, Ryuji Yoshiyama, Tsuyoshi Oishi, Masaki Iijima, Masazumi Tanoura +2 more | 2012-07-24 |
| 8147593 | Absorbing solution, method and device for absorbing CO2 or H2S or both | Yasuyuki Yagi, Kouki Ogura, Masaki Iijima, Toru Takashina, Hiroshi Tanaka +1 more | 2012-04-03 |
| 8137441 | CO2 recovery system and waste-product removing method | Masaki Iijima, Yasuyuki Yagi | 2012-03-20 |
| 7918926 | CO2 recovery system and method | Masaki Iijima, Takashi Kamijo, Takahito Yonekawa, Yasuyuki Yagi | 2011-04-05 |
| 7892509 | System and method for recovering CO2 | Masaki Iijima, Yasuyuki Yagi | 2011-02-22 |
| 7488463 | Carbon dioxide recovery and power generation | Masaki Iijima, Takuya Hirata, Yasuyuki Yagi | 2009-02-10 |
| 7485274 | Apparatus and method for CO2 recovery | Takashi Kamijo, Masaki Iijima, Yasuyuki Yagi | 2009-02-03 |
| 7316737 | Amine recovery apparatus and decarbonation apparatus having same | Takashi Nojo, Kazuo Ishida, Hiroshi Nakashoji, Hiroshi Tanaka, Takuya Hirata | 2008-01-08 |
| 6784320 | Amine recovery method and apparatus and decarbonation apparatus having same | Takashi Nojo, Kazuo Ishida, Hiroshi Nakashoji, Hiroshi Tanaka, Takuya Hirata | 2004-08-31 |
| 6689332 | Process for removing carbon dioxide from combustion gases | Kunihiko Yoshida, Shigeru Shimojo, Mutsunori Karasaki, Masaki Iijima, Shigeaki Mitsuoka | 2004-02-10 |
| 6500397 | Method for removing carbon dioxide from combustion exhaust gas | Kunihiko Yoshida, Shigeru Shimojo, Mutsunori Karasaki, Masaki Iijima, Touru Seto +1 more | 2002-12-31 |
| 6117404 | Apparatus and process for recovering basic amine compounds in a process for removing carbon dioxide | Hidenobu Shimayoshi, Shigeaki Mitsuoka, Hiroshi Tanaka, Masaki Iijima | 2000-09-12 |
| 6051161 | Method for the removal of carbon dioxide present in gases and absorbent | Hitomi Suzuki, Toru Iwaki, Shigeaki Mitsuoka, Hiroshi Tanaka, Masaki Iijima | 2000-04-18 |
| 6036931 | Method for removing carbon dioxide from combustion exhaust gas | Kunihiko Yoshida, Shigeru Shimojo, Mutsunori Karasaki, Masaki Iijima, Touru Seto +1 more | 2000-03-14 |
| 5904908 | Method for the removal of carbon dioxide present in gases | Hitomi Suzuki, Toru Iwaki, Shigeaki Mitsuoka, Hiroshi Tanaka, Masaki Iijima | 1999-05-18 |