Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11438692 | Directional sound generation method and device for audio apparatus, and audio apparatus | Chuantao Zhang | 2022-09-06 |
| 11294073 | Tightly combined GPS/BDS carrier differential positioning method | Shuguo Pan, Wang Gao, Yanheng Wang, Chengfa Gao, Ruicheng Zhang +2 more | 2022-04-05 |