Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8659975 | Vibration generation and detection in shear wave dispersion ultrasound vibrometry with large background motions | James F. Greenleaf, Shigao Chen, Yi Zheng | 2014-02-25 |
| 8602994 | Method for ultrasound vibrometry using orthogonal basis functions | Yi Zheng, James F. Greenleaf, Shigao Chen, Matthew W. Urban | 2013-12-10 |
| 7586587 | Stand-alone speedometer using two spaced laser beams | Ruyong Wang, Yi Zheng | 2009-09-08 |
| 7406066 | Asynchronous modulation and demodulation for spread spectrum and code-division multiple access communication | Yi Zheng | 2008-07-29 |
| 6813006 | Stand-alone speedometer directly measuring the translational speed based on the difference between dispersive dragging effects of different media | Ruyong Wang, Yi Zheng | 2004-11-02 |