Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11801492 | Exhaust gas purification catalyst | Isao Chinzei, Takumi Tojo, Yoshiteru Yazawa | 2023-10-31 |
| 11795855 | Exhaust gas purification catalyst | Isao Chinzei, Shogo SHIRAKAWA, Masahide Miura, Hiromasa Suzuki, Yuki Kido +3 more | 2023-10-24 |
| 11725556 | Exhaust gas purification catalyst | Isao Chinzei, Takumi Tojo, Yosuke TODA, Hirotaka Ori, Minoru Ito +1 more | 2023-08-15 |
| 11577226 | Exhaust gas purification catalyst | Seiji Nakahigashi, Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura +8 more | 2023-02-14 |
| 11426710 | Exhaust gas control catalyst | Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Seiji Nakahigashi, Norimichi Shimano +6 more | 2022-08-30 |
| 11400436 | Exhaust gas purification catalyst | Isao Chinzei, Seiji Nakahigashi, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura +7 more | 2022-08-02 |
| 11396837 | Exhaust gas cleaning catalyst | Eriko YOSHIMOTO, Masahide Miura | 2022-07-26 |