Assignee
No assignee recorded.
Inventors
- Hongfu Li (7 patents)
- Zhuangju Li (2 patents)
- Weiming Wang (11 patents)
- Unknown
- Liuzhu Chen (4 patents)
- Yaoyao Li (9 patents)
- Unknown
- Jinhua Dai (8 patents)
US Patent 12469277 · Granted Nov 11, 2025
No assignee recorded.