Issued Patents All Time
Showing 1–25 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403422 | CO2 recovery unit and CO2 recovery method | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Shimpei Kawasaki | 2025-09-02 |
| 12138584 | Composite amine absorbent, removal unit, and removal method | Hiroshi Tanaka, Takashi Kamijo, Takuya Hirata, Takuya Sugiura | 2024-11-12 |
| 11772041 | Composite amine absorbent, and device and method for removing CO2 or H2S, or both of CO2 and H2S | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tomoki Noborisato | 2023-10-03 |
| 11633692 | Absorbent liquid for CO2 and/or H2S, and apparatus and method using same | Hiroshi Tanaka, Takuya Hirata, Masami Kondo, Takashi Kamijo | 2023-04-25 |
| 11306636 | Plant and air pollution control method | Takahito Yonekawa, Takashi Kamijo | 2022-04-19 |
| 11236907 | Exhaust gas treatment device and exhaust gas treatment method | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2022-02-01 |
| 11229873 | CO2 recovery device and CO2 recovery method | Yosuke Nakagawa, Daisuke Shimada | 2022-01-25 |
| 11209165 | Exhaust gas treatment device and exhaust gas treatment method | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2021-12-28 |
| 11148095 | Reclaiming apparatus and method for reclaiming | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2021-10-19 |
| 11071942 | Reclaiming apparatus and method, and CO2 recovery apparatus and method | Osamu Miyamoto, Takashi Kamijo | 2021-07-27 |
| 11071943 | Absorption liquid regeneration apparatus, CO2 recovery apparatus including the same, and absorption liquid regeneration method | Osamu Miyamoto, Takashi Kamijo | 2021-07-27 |
| 11045757 | Reclaiming apparatus, CO2 recovery apparatus including the same, and reclaiming method | Osamu Miyamoto, Takashi Kamijo | 2021-06-29 |
| 11014042 | Exhaust gas treatment device and CO2 recovery device using same | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2021-05-25 |
| 10967324 | Reclaiming apparatus and method, and CO2 recovery device and method | Osamu Miyamoto, Takashi Kamijo | 2021-04-06 |
| 10960346 | Composite amine absorbing solution, and device and method for removing CO2 or H2S or both | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2021-03-30 |
| 10953361 | CO2 recovery device and recovery method | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2021-03-23 |
| 10940430 | Acidic gas recovery system and reclaiming device to be used in same | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2021-03-09 |
| 10874976 | Acid gas removal apparatus and acid gas removal method | Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo | 2020-12-29 |
| 10857502 | Absorbent liquid for CO2 and/or H2S, and apparatus and method using same | Hiroshi Tanaka, Takuya Hirata, Masami Kondo, Takashi Kamijo | 2020-12-08 |
| 10835863 | CO2 recovery device and CO2 recovery method | Hiroshi Tanaka, Takuya Hirata, Atsuhiro Yukumoto, Tsuyoshi Oishi, Takahiko Endo | 2020-11-17 |
| 10835862 | Air pollution control system and method | Tatsuto Nagayasu, Takashi Kamijo, Masayuki Inui, Tsuyoshi Oishi, Hiromitsu Nagayasu +5 more | 2020-11-17 |
| 10773206 | CO2 recovery device and CO2 recovery method | Osamu Miyamoto, Takashi Kamijo | 2020-09-15 |
| 10677704 | System for analyzing carbon dioxide concentration of amine-based absorbing solution, carbon dioxide recovery system, and method of operating the same | Takuya Hirata, Masakazu Sakaguchi, Hiroshi Tanaka | 2020-06-09 |
| 10668427 | Acid gas recovery method and system and iron ion analysis method and system | Takuya Hirata, Shinichi Okamoto, Hiromitsu Nagayasu, Masaru Chiyomaru | 2020-06-02 |
| 10625199 | CO2 recovery system and method of recovering CO2 | Osamu Miyamoto, Takashi Kamijo | 2020-04-21 |