Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364578 | Lockable orthodontic appliance | Qinhui Zhang, Zien Xu | 2025-07-22 |
| 12331389 | Self-lubricating film over wide temperature ranges in vacuum and preparation method and use thereof | Xiaohong Liu, Hongxuan Li, Ru Wang, Huidi Zhou, Jianmin Chen | 2025-06-17 |
| 12303349 | Orthodontic appliance | Tingjin ZHONG, Zien Xu, Wei Yu | 2025-05-20 |
| 12281379 | Preparation method of niobium diselenide film with ultra-low friction and low electrical noise under sliding electrical contact in vacuum | Xiaohong Liu, Yang Yang, Hongxuan Li, Huidi Zhou, Jianmin Chen | 2025-04-22 |