Issued Patents All Time
Showing 1–25 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220574 | Mask instrument and method for using the same | Li Fan, Li Qian | 2025-02-11 |
| 12075863 | Mask with sterilization function | Li Qian, Li Fan | 2024-09-03 |
| 11918976 | Electrostatic adsorption mask | Li Qian, Li Fan | 2024-03-05 |
| 11589668 | Beauty instrument with mask | Li Fan, Li Qian | 2023-02-28 |
| 11577070 | Soft physiotherapy instrument | Li Fan, Li Qian | 2023-02-14 |
| 11542163 | Carbon nanotube field emitter and preparation method thereof | Peng Liu, Duan-Liang Zhou, Chun-Hai Zhang, Li Qian, Xue-Wei Guo +3 more | 2023-01-03 |
| 11529512 | Method for using beauty instrument with mask | Li Fan, Li Qian | 2022-12-20 |
| 11504522 | Method for using mask-type beauty instrument | Li Fan, Li Qian | 2022-11-22 |
| 11464974 | Method for using soft physiotherapy instrument | Li Fan, Li Qian | 2022-10-11 |
| 11413448 | Soft physiotherapy instrument and method for using the same | Li Fan, Li Qian | 2022-08-16 |
| 11413447 | Method for using beauty instrument with mask | Li Fan, Li Qian | 2022-08-16 |
| 11363684 | Carbon nanotube defrost windows | Chen Feng, Li Qian | 2022-06-14 |
| 11260217 | Mask-type beauty instrument | Li Fan, Li Qian | 2022-03-01 |
| 11229791 | Beauty instrument with mask | Li Fan, Li Qian | 2022-01-25 |
| 11215171 | Field emission neutralizer | Peng Liu, Duan-Liang Zhou, Chun-Hai Zhang, Li Qian, Xue-Wei Guo +3 more | 2022-01-04 |
| 10894717 | Carbon nanotube field emitter and preparation method thereof | Peng Liu, Duan-Liang Zhou, Chun-Hai Zhang, Li Qian, Xue-Wei Guo +3 more | 2021-01-19 |
| 10811211 | Carbon nanotube field emitter and preparation method thereof | Peng Liu, Duan-Liang Zhou, Chun-Hai Zhang, Li Qian, Xue-Wei Guo +3 more | 2020-10-20 |
| 10752505 | Method for making carbon nanotube film | Chen Feng, Liang Liu, Li Qian | 2020-08-25 |
| 10734181 | Carbon nanotube field emitter and preparation method thereof | Peng Liu, Duan-Liang Zhou, Chun-Hai Zhang, Li Qian, Xue-Wei Guo +3 more | 2020-08-04 |
| 10720296 | Field emission neutralizer comprising a graphitized carbon nanotube structure | Peng Liu, Duan-Liang Zhou, Chun-Hai Zhang, Li Qian, Xue-Wei Guo +3 more | 2020-07-21 |
| D878225 | Battery testing device | Li Qian, Fu-Jun Wang, Li Ma, Xue-Wei Guo, Yang Wu | 2020-03-17 |
| 10423271 | Touch control armrest sleeve and touch control seat | Shou-Shan Fan, Liang Liu, Li Qian | 2019-09-24 |
| 10388422 | Electrically conductive element | Chen Feng, Li Qian | 2019-08-20 |
| 10377120 | Apparatus and method for making conductive element | Chen Feng, Li Qian | 2019-08-13 |
| 10322303 | PM 2.5 mask | Li Qian | 2019-06-18 |