Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11019008 | Method, public account server, and mobile terminal for sending and generating cards | Zhijun Yuan | 2021-05-25 |
| 10462083 | Method, public account server, and mobile terminal for sending and generating cards | Zhijun Yuan | 2019-10-29 |