Assignee
Inventors
- Qinggang Lu (2 patents)
- Ming Gao (18 patents)
- Yunkai Sun (4 patents)
- Guoliang Song (4 patents)
- Xiaofang Wang (23 patents)
- Yongjie Na (3 patents)
- Dongyu Wang (18 patents)
- Haigang Wang (17 patents)
US Patent 9518730 · Granted Dec 13, 2016