Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422649 | Optical lens assembly and imaging device including five lenses of −++−+, +++−+, −++−− or −+−+− refractive powers | Dongfang Wang, Bo Yao | 2025-09-23 |
| 9969640 | Sludge drying composite conditioner and application method thereof | Jiakuan Yang, Huan Liu, Shu He, Rong Wang, Changzhu Yang +2 more | 2018-05-15 |