Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524285 | Exhaust gas purification catalyst device | Shunsuke Oishi, Takaya Ota, Hiromasa Suzuki, Yoshinori Saito, Seiji Nakahigashi | 2022-12-13 |
| 11504704 | Exhaust gas purification device | Takumi Tojo, Shogo SHIRAKAWA, Sho Hoshino, Minoru Ito, Naoto Fujita | 2022-11-22 |
| 11426710 | Exhaust gas control catalyst | Takahiro NISHIO, Shogo SHIRAKAWA, Masahide Miura, Seiji Nakahigashi, Norimichi Shimano +6 more | 2022-08-30 |
| 11400436 | Exhaust gas purification catalyst | Seiji Nakahigashi, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura, Takahiro NISHIO +7 more | 2022-08-02 |
| 11286830 | Exhaust gas cleaning catalyst | Yoshinori Saito, Hirotaka Ori, Shingo Sakagami, Takeru Yoshida, Yuki Aoki | 2022-03-29 |