Assignee
No assignee recorded.
Inventors
- Xiangshan Zhou (4 patents)
- Yan Zhang (27 patents)
- Unknown
- Unknown
- Unknown
- Chunyan Wang (26 patents)
- Li Li (111 patents)
- Lu Zhang (185 patents)
- Unknown
US Patent 11547671 · Granted Jan 10, 2023
No assignee recorded.