Assignee
No assignee recorded.
Inventors
- Kui Li (42 patents)
- Yulian Mu (7 patents)
- Zhiguo Liu (28 patents)
- Unknown
- Unknown
- Unknown
- Unknown
- Unknown
- Unknown
- Qimei Chen (4 patents)
- Yang Qiu (12 patents)
US Patent 11240997 · Granted Feb 8, 2022
No assignee recorded.