Assignee
No assignee recorded.
Inventors
- Unknown
- Jun Ding (2 patents)
- Unknown
- Yu Liu (3 patents)
- Unknown
- Huan Wang (21 patents)
- Ying Yuan (7 patents)
- Qian Zhang (50 patents)
- Unknown
- Zhenkun Ma (41 patents)
US Patent 11040987 · Granted Jun 22, 2021
No assignee recorded.