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, Yoshinori Saito | 2022-12-13 |
| 11426710 | Exhaust gas control catalyst | Takahiro NISHIO, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Norimichi Shimano +6 more | 2022-08-30 |
| 11400436 | Exhaust gas purification catalyst | Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura, Takahiro NISHIO +7 more | 2022-08-02 |