Wu; Xuehua

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wu; Xuehua.The latest application filed is for "ion exchange membrane electrolytic cell".

Company Profile

0.18.15

Wu; Xuehua - Beijing CN
Wu; Xuehua - Union City CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
Ion exchange membrane electrolytic cell Grant 10,458,030 - Liu , et al. Oc	2019-10-29
Ion Exchange Membrane Electrolytic Cell App 20170306513 - LIU; Xiuming ; et al.	2017-10-26
High extinction ratio liquid crystal optical switch Grant 9,041,897 - Yuan , et al. May 26, 2	2015-05-26
High Extinction Ratio Liquid Crystal Optical Switch App 20140085598 - Yuan; Haijun ; et al.	2014-03-27
High extinction ratio liquid crystal optical switch Grant 8,605,247 - Yuan , et al. December 10, 2	2013-12-10
Single control liquid crystal optical switch and attenuator Grant 8,358,398 - Wu , et al. January 22, 2	2013-01-22
Optical device with stable optical configuration Grant 8,346,084 - Yuan , et al. January 1, 2	2013-01-01
High Extinction Ratio Liquid Crystal Optical Switch App 20120236247 - Yuan; Haijun ; et al.	2012-09-20
High extinction ratio liquid crystal optical switch Grant 8,203,691 - Yuan , et al. June 19, 2	2012-06-19
Fiber lens assembly for optical device Grant 8,094,982 - Wu , et al. January 10, 2	2012-01-10
Optical switch having angle tuning elements and multiple-fiber collimators Grant 7,603,006 - Cai , et al. October 13, 2	2009-10-13
Single Control Liquid Crystal Optical Switch And Attenuator App 20090147212 - WU; Xuehua ; et al.	2009-06-11
Single channel four-port group delay compensation equalizer Grant 7,457,544 - Feng , et al. November 25, 2	2008-11-25
Reconfigurable thin film based DWDM devices for reconfigurable add-drop optical systems Grant 7,454,143 - Wu , et al. November 18, 2	2008-11-18
Fiber Lens Assembly For Optical Device App 20080219619 - Wu; Xuehua ; et al.	2008-09-11
High Extinction Ratio Liquid Crystal Optical Switch App 20080218680 - Yuan; Haijun ; et al.	2008-09-11
Optical Device With Stable Optical Configuration App 20080218872 - YUAN; Haijun ; et al.	2008-09-11
Optical Device With Cascaded Steering Devices App 20080219663 - Yuan; Haijun ; et al.	2008-09-11
Method for assembly of multi-ports optical apparatus Grant 7,340,130 - Wu , et al. March 4, 2	2008-03-04
Optical Switch Having Angle Tuning Elements And Multiple-fiber Collimators App 20080037932 - Cai; Ming ; et al.	2008-02-14
Optical switch having angle tuning elements and multiple-fiber collimators Grant 7,286,730 - Cai , et al. October 23, 2	2007-10-23
Optical Switch Having Angle Tuning Elements And Multiple-fiber Collimators App 20070217735 - Cai; Ming ; et al.	2007-09-20
Optical switch Grant 7,221,818 - Cai , et al. May 22, 2	2007-05-22
Structure and method for multi-ports optical apparatus Grant 7,171,073 - Wu , et al. January 30, 2	2007-01-30
Optical multiplexer and demultiplexer apparatus utilizing multiple polarization beam splitters and reflection interferometers Grant 7,158,697 - Wu , et al. January 2, 2	2007-01-02
Optical switch App 20060198574 - Cai; Ming ; et al.	2006-09-07
Optical multiplexer and demultiplexer apparatus utilizing multiple polarization beam splitters and reflection interferometers App 20040151425 - Wu, Xuehua ; et al.	2004-08-05
Masking frame plating method for forming masking frame plated layer Grant 6,291,138 - Wu , et al. September 18, 2	2001-09-18
Corrosion inhibitor of NiCu for high performance writers App 20010008745 - Wu, Xuehua ; et al.	2001-07-19
Corrosion inhibitor of NiCu for high performance writers App 20010008743 - Wu, Xuehua ; et al.	2001-07-19
Corrosion inhibitor of NiCu for high performance writers App 20010008744 - Wu, Xuehua ; et al.	2001-07-19

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