Assignee
No assignee recorded.
Inventors
- Dalong Ma (4 patents)
- Wenling Han (3 patents)
- Yingmei Zhang (6 patents)
- Quansheng Song (6 patents)
- Unknown
- Jiaqiang Huang (5 patents)
- Jian Tang (16 patents)
- Unknown
US Patent 6800454 · Granted Oct 5, 2004
No assignee recorded.