Assignee
No assignee recorded.
Inventors
- Lihua Liu (16 patents)
- Chunlei Zhang (56 patents)
- Hongfang Liu (3 patents)
- Unknown
- Yawei Zhang (19 patents)
- Kai Xu (132 patents)
- Yi Lu (7 patents)
US Patent 10428456 · Granted Oct 1, 2019
No assignee recorded.