Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11799973 | Virtual subscriber identity module for mobile communication device | Jing Liu, Wei Ren, Chao-Hsi Wang | 2023-10-24 |
| 11743720 | System and method for mobile telephone roaming | Jing Liu, Richard H. Xu | 2023-08-29 |