Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524285 | Exhaust gas purification catalyst device | Shunsuke Oishi, Takaya Ota, Isao Chinzei, Hiromasa Suzuki, Seiji Nakahigashi | 2022-12-13 |
| 11286830 | Exhaust gas cleaning catalyst | Hirotaka Ori, Shingo Sakagami, Isao Chinzei, Takeru Yoshida, Yuki Aoki | 2022-03-29 |
| 11224840 | Exhaust gas purification catalyst | Hiromasa Suzuki, Masahide Miura, Satoru Katoh, Toshitaka Tanabe, Tetsuhiro Hirao +5 more | 2022-01-18 |