Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870582 | Method of producing beta zeolite | Keiji Itabashi, Tatsuya Okubo | 2020-12-22 |
| 10807874 | Mordenite zeolite and production method therefor | Natsume KOIKE, Keiji Itabashi, Tatsuya Okubo | 2020-10-20 |
| 10669157 | Zeolite production method | Keiji Itabashi, Tatsuya Okubo, Yoshihiro Kamimura | 2020-06-02 |
| 10526209 | MSE-type zeolite production method | Keiji Itabashi, Sibel Sogukkanli, Tatsuya Okubo | 2020-01-07 |
| 10501328 | Method for producing beta zeolite | Keiji Itabashi, Kyosuke Sodeyama, Tatsuya Okubo | 2019-12-10 |
| 10479692 | Zeolite production method | Keiji Itabashi, Tatsuya Okubo, Yoshihiro Kamimura | 2019-11-19 |
| 9968909 | Mn+-exchanged beta zeolite, gas adsorbent comprising same, method for producing same, and method for removing nitrogen monoxide | Masahiro Yamamoto, Toyohiko Hieda | 2018-05-15 |
| 9670068 | Zeolite production method | Keiji Itabashi, Tatsuya Okubo, Yoshihiro Kamimura | 2017-06-06 |
| 9656238 | Fe(II)-substituted beta-type zeolite, production method therefor and gas adsorbent including same, and nitric oxide and hydrocarbon removal method | Masaru Ogura, Keiji Itabashi, Tatsuya Okubo | 2017-05-23 |
| 9546096 | Method for producing MAZ-type zeolite | Keiji Itabashi, Tatsuya Okubo, Akari Ogawa | 2017-01-17 |
| 9409785 | Fe(II)-substituted MEL-type zeolite, production method therefor and gas adsorbent including same, and nitric oxide and hydrocarbon removal method | Masaru Ogura, Keiji Itabashi, Tatsuya Okubo | 2016-08-09 |
| 9108187 | Fe(II)-substituted beta type zeolite, gas adsorbent containing same and method for producing same, and method for removing nitrogen monoxide and hydrocarbon | Masaru Ogura, Keiji Itabashi, Tatsuya Okubo | 2015-08-18 |
| 8763364 | Treatment of cold start engine exhaust | Tatsuya Okubo, Stacey I. Zones, Cong-Yan Chen, Allen W. Burton | 2014-07-01 |
| 8282908 | Zeolite beta and process for producing the same | Keiji Itabashi, Tatsuya Okubo, Yoshihiro Kamimura, Watcharop Chaikittisilp | 2012-10-09 |