Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831535 | Bistable electromagnetic relay | Ping Sheng, Chau Kwan Nam | 2004-12-14 |
| 6727863 | Planar band gap materials | Ping Sheng, Che Ting Chan, Weikun Ge, Lei Zhou, Jensen Tsan-Hang Li | 2004-04-27 |