Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312989 | Method for producing gasoline particulate filter | Wenjie Dong, Dongsheng QIAO, Zhou SHANG, Guangyong Xiong | 2025-05-27 |
| 11745173 | Tin incorporated catalysts for gasoline engine exhaust gas treatments | Wataru KURASHIGE, Shuhei NAGAOKA, Dongsheng QIAO, Zhou SHANG, Xiaorui ZHANG | 2023-09-05 |
| 11614013 | Twc catalysts for gasoline engine exhaust gas treatments | Hai-Ying Chen, Dongsheng QIAO, Eric Tyo, Takashi Yamada, Xiang ZHENG | 2023-03-28 |
| 11577234 | Three-zone two-layer TWC catalyst in gasoline waste gas applications | Wenjie Dong, Dongsheng QIAO, Yaping WAN | 2023-02-14 |
| 11439987 | Multi-region TWC for treatment of exhaust gas from gasoline engine | Dongsheng QIAO, Xiang ZHENG | 2022-09-13 |
| 11110447 | Three-zone two-layer TWC catalyst in gasoline waste gas applications | Wenjie Dong, Dongsheng QIAO, Yaping WAN | 2021-09-07 |