Assignee
Inventors
- Dongshan Bao (21 patents)
- Yubao Zhou (8 patents)
- Huijuan Yao (8 patents)
- Xiaoyan Yu (18 patents)
- Shenfa Liu (21 patents)
- Xiaoqiang Xie (3 patents)
- Desheng Yan (6 patents)
- Zhizuo Yang (3 patents)
US Patent 9294248 · Granted Mar 22, 2016