Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7295395 | Sensing a prior transducer position by a motion pattern | Hengchang Guo, WaiKhay Chan, JiaHong Shu, KianKeong Ooi, KianSoon Yeo +3 more | 2007-11-13 |
| 6873490 | Control object positioning using jerk, current and time optimized control profiles | Hengchang Guo | 2005-03-29 |