Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214334 | Supported catalyst particles | Hiroki NIHASHI, Shogo Kawamura, Tomomasa Aikawa, Isao Naito, Shogo SHIRAKAWA +2 more | 2025-02-04 |
| 11719144 | Exhaust gas purification catalyst | Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Seiji Nakahigashi, Hiroki NIHASHI +3 more | 2023-08-08 |
| 11643958 | Exhaust gas purification material and exhaust gas purification device | Taizo YOSHINAGA, Shogo SHIRAKAWA, Nobuyuki Takagi, Masahide Miura | 2023-05-09 |
| 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 | Takahiro NISHIO, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Seiji Nakahigashi +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 |