Xu; Zhen-Feng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Xu; Zhen-Feng.The latest application filed is for "refractive-index sensor".
- Xu; Zhen-Feng - Beijing CN
| Patent | Date |
|---|---|
| Refractive-index sensor Grant 7,990,527 - Wang , et al. August 2, 2 | 2011-08-02 |
| Light emitting diode Grant 7,812,361 - Xu , et al. October 12, 2 | 2010-10-12 |
| Micro displacement sensor Grant 7,596,288 - Xu , et al. September 29, 2 | 2009-09-29 |
| Refractive-index Sensor App 20090153843 - Wang; Xiao-Ling ; et al. | 2009-06-18 |
| Method for measuring micro displacements Grant 7,499,606 - Xu , et al. March 3, 2 | 2009-03-03 |
| Light Emitting Diode App 20080277681 - XU; ZHEN-FENG ; et al. | 2008-11-13 |
| Light-emitting Diode App 20080169479 - XU; ZHEN-FENG ; et al. | 2008-07-17 |
| Micro Displacement Sensor App 20080159685 - XU; ZHEN-FENG ; et al. | 2008-07-03 |
| Method For Measuring Micro Displacements App 20080159686 - XU; ZHEN-FENG ; et al. | 2008-07-03 |
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