Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9630807 | Energy saving elevator apparatus with maintaining potential energy by intellectual control variable mass | Zhenkun Wang, Shiyuan Song | 2017-04-25 |
| 8041533 | IC device-in-pocket detection with angular mounted lasers and a camera | Kexiang Ken Ding | 2011-10-18 |