loadpatents
Patent applications and USPTO patent grants for Wu; Ching-Chin.The latest application filed is for "polarizing preserving front projection screen with protrusions".
Patent | Date |
---|---|
Polarizing preserving front projection screen with protrusions Grant 11,226,548 - Wu January 18, 2 | 2022-01-18 |
Polarizing preserving front projection screen with protrusions App 20200387062 - Wu; Ching-Chin | 2020-12-10 |
Virtual input element image projection apparatus Grant 7,543,940 - Wu , et al. June 9, 2 | 2009-06-09 |
Light Guide Plate and Back-Light Module Having Light Guide Plate App 20080084709 - Li; Yu-Tang ;   et al. | 2008-04-10 |
Backlight modules using diffraction optical elements Grant 7,251,412 - Lu , et al. July 31, 2 | 2007-07-31 |
Brightness enhancement film having curved prism units and light scattering particles App 20070121227 - Wang; Jing-Wei ;   et al. | 2007-05-31 |
Zoom lens Grant 7,224,541 - Wu , et al. May 29, 2 | 2007-05-29 |
Brightness enhancement film having curved prism units and microstructure layer App 20070115569 - Tang; Shih-Chieh ;   et al. | 2007-05-24 |
LED backlight module App 20070001185 - Lu; Ying Tsung ;   et al. | 2007-01-04 |
Anti-counterfeit method and system by using a nano metal grating Grant 7,113,690 - Lai , et al. September 26, 2 | 2006-09-26 |
Backlight modules using diffraction optical elements App 20060147152 - Lu; Ying-Tsung ;   et al. | 2006-07-06 |
Zoom lens App 20060119957 - Wu; Ching-Chin ;   et al. | 2006-06-08 |
Anti-counterfeit method and system by using a nano metal grating App 20050141846 - Lai, Pong ;   et al. | 2005-06-30 |
Virtual input element image projection apparatus App 20050128185 - Wu, Ching-Chin ;   et al. | 2005-06-16 |
Grating interference device with adjustable resolution Grant 6,823,113 - Lu , et al. November 23, 2 | 2004-11-23 |
Planar optical waveguide dense wavelength division multiplexer Grant 6,701,045 - Lu , et al. March 2, 2 | 2004-03-02 |
Grating interference device with adjustable resolution App 20040013365 - Lu, Ying-Tsung ;   et al. | 2004-01-22 |
Planar optical waveguide dense wavelength division multiplexer App 20020186925 - Lu, Ying-Tsung ;   et al. | 2002-12-12 |
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