Assignee
Inventors
- Qing Ma (154 patents)
- Valluri Rao (82 patents)
- John Heck (68 patents)
- Li-Peng Wang (68 patents)
- Dong-sik Shim (45 patents)
- Quan Tran (26 patents)
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Skip to contentUS Patent 6686820 · Granted Feb 3, 2004