Assignee
Inventors
- Youxin Li (14 patents)
- Wanhui Liu (13 patents)
- Yang Lv (38 patents)
- Guanhua Du (5 patents)
- Qingguo Meng (3 patents)
- Mina Yang (9 patents)
- Fengmei Zhou (3 patents)
- Ju Li (17 patents)
- Xuemei Zhang (87 patents)
US Patent 9199912 · Granted Dec 1, 2015