Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11426710 | Exhaust gas control catalyst | Takahiro NISHIO, Shogo SHIRAKAWA, Isao Chinzei, Seiji Nakahigashi, Norimichi Shimano +6 more | 2022-08-30 |
| 11400436 | Exhaust gas purification catalyst | Isao Chinzei, Seiji Nakahigashi, Shogo SHIRAKAWA, Hiromasa Suzuki, Takahiro NISHIO +7 more | 2022-08-02 |
| 11396837 | Exhaust gas cleaning catalyst | Eriko YOSHIMOTO, Takahiro NISHIO | 2022-07-26 |
| 11224840 | Exhaust gas purification catalyst | Hiromasa Suzuki, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe, Tetsuhiro Hirao +5 more | 2022-01-18 |