Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10981022 | Smart respirator and method and device for calculating pollutant absorption | Tong Zhao, Huayijun Liu | 2021-04-20 |
| 10561865 | Smart mask, method, smart mask and apparatus for calculating pollutant absorption quantity | Tong Zhao, Huayijun Liu | 2020-02-18 |
| 10137732 | Universal wheel assembly and suitcase | Tong Zhao, Huayijun Liu | 2018-11-27 |
| 7067120 | Cytokine gene modified antigen-presenting cell/tumor cell conjugate, its preparation and use | Ju Dianwen, Dan Ye | 2006-06-27 |