Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214334 | Supported catalyst particles | Shogo Kawamura, Tomomasa Aikawa, Isao Naito, Shogo SHIRAKAWA, Masahide Miura +2 more | 2025-02-04 |
| 11821349 | Exhaust gas purification catalyst | Shogo Kawamura, Tomomasa Aikawa, Isao Naito, Nobuyuki Takagi, Takeshi Nobukawa | 2023-11-21 |
| 11719144 | Exhaust gas purification catalyst | Norimichi Shimano, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Seiji Nakahigashi +3 more | 2023-08-08 |
| 11577226 | Exhaust gas purification catalyst | Seiji Nakahigashi, Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura +8 more | 2023-02-14 |
| 11534737 | Exhaust gas purification catalyst | — | 2022-12-27 |
| 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 |