Assignee
Inventors
- Xiaofei Zuo (3 patents)
- Quan Luo (6 patents)
- Ling Li (212 patents)
- Nairong Li (1 patents)
- Changshan Liu (1 patents)
- Chuan Shi (6 patents)
- Wenfen Yan (1 patents)
- Ruiping Liu (17 patents)
- Haiyan Ning (2 patents)
US Patent 9742868 · Granted Aug 22, 2017