Assignee
No assignee recorded.
Inventors
- Liwei Chen (25 patents)
- Unknown
- Jianfeng Yu (11 patents)
- Dongli Zhang (9 patents)
- Unknown
- Qianqian Li (25 patents)
- Yujuan Wang (3 patents)
- Unknown
US Patent 11060500 · Granted Jul 13, 2021
No assignee recorded.