Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12130128 | Device and method for measuring curvature radius | Xiaobo ZHANG, Zhengkai Chang | 2024-10-29 |
| 10072899 | Spiral louver shaped condenser with multilayer spatial structure | Xiangqi Gao, Jinfa Zhang, Baojia Kang, Qingfeng Cheng, Zhouzheng Han +3 more | 2018-09-11 |
| 6992653 | Pointing device with a rollable device and light source | Jong-Ding Wang, Cheng-Pin Chou, Chen-Ming Chang | 2006-01-31 |