Assignee
No assignee recorded.
Inventors
- Ning Zhang (371 patents)
- Cheng Wang (3 patents)
- Ping Liu (40 patents)
- Unknown
- Jian Zhang (26 patents)
- Unknown
- Cheng Liu (5 patents)
- Unknown
- Unknown
US Patent 9138449 · Granted Sep 22, 2015
No assignee recorded.