Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11588400 | Series resonator converter | Khai Ngo, TING GE, Rengang Chen | 2023-02-21 |
| 11191690 | Device and method for a portable prone surgical positioning | — | 2021-12-07 |
| 11071664 | Wheelchair for transferring a patient to an automobile | — | 2021-07-27 |
| 10813804 | Convertible bed/wheelchair apparatus | — | 2020-10-27 |
| 9248065 | Patient transport apparatus for transport between a patient bed and a bathtub | — | 2016-02-02 |
| 8935814 | Method and apparatus for an automatic patient lift | — | 2015-01-20 |
| 8898838 | Method and apparatus for a convertible patient bed | — | 2014-12-02 |
| 8813115 | Service access method, device, and system | Yu Qin, Junjun Song, Hancheng Ding, Yan Zheng, Yinhe Wang | 2014-08-19 |
| 7069690 | Compositions and methods for removing pollutants from contaminated wafer with a fern plant | Lena Q. Ma | 2006-07-04 |