Assignee
Inventors
- Hongliang Lv (4 patents)
- Qingnan Ai (3 patents)
- Boning Wang (13 patents)
- Ruifeng Yang (17 patents)
- Litao Fan (23 patents)
- Yufei Liu (23 patents)
- Huaxu Yang (10 patents)
- Libao Cui (9 patents)
US Patent 10977981 · Granted Apr 13, 2021