Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161763 | Multi-stage gravity-type sludge drying apparatus and method for drying sludge using same | Xukun Zhang, Meng Chen, Xiaowang Wu, Zhu Yang, Maoyun Gan +2 more | 2021-11-02 |
| 9183428 | Method and device for implementing original handwriting trace, and electronic device | Jia Zhou, Guoying Du | 2015-11-10 |
| 9134821 | Method and device for implemeting original calligraphy of handwriting | Jia Zhou, Guoying Du | 2015-09-15 |