Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12231471 | Method for realizing video conference, and terminal and SIP gateway | Jingyu Zhang, Xiaoqin Guo | 2025-02-18 |
| 5383830 | Adjustable air pressure force resistance exerciser system | — | 1995-01-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12231471 | Method for realizing video conference, and terminal and SIP gateway | Jingyu Zhang, Xiaoqin Guo | 2025-02-18 |
| 5383830 | Adjustable air pressure force resistance exerciser system | — | 1995-01-24 |