Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379212 | Method and device for controlling engineering projection deformation | Zufeng Li, Haowen Yan, Wenjun Zhao, Xiaoning Su, Haixing Shang +4 more | 2025-08-05 |
| 12158928 | Commutative encryption and watermarking method based on chaotic system and zero watermark for vector geospatial data | Haowen Yan, Liming Zhang, Jingzhong Li, Tao Tan, Zufeng Li +2 more | 2024-12-03 |
| 12025716 | GNSS emergency monitoring error suppression method for alpine canyon complex environment | Zufeng Li, Heng Zhou, Haixing Shang, Gangyi Zhao, Zhixuan Miao +5 more | 2024-07-02 |