Xuehua Wu

Person

Union City, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
High extinction ratio liquid crystal optical switch
- Patent number 9,041,897
- Issue date May 26, 2015
- II-VI Incorporated
- Haijun Yuan
- G02 - OPTICS
Information Patent Grant
High extinction ratio liquid crystal optical switch
- Patent number 8,605,247
- Issue date Dec 10, 2013
- Haijun Yuan
- G02 - OPTICS
Information Patent Grant
Single control liquid crystal optical switch and attenuator
- Patent number 8,358,398
- Issue date Jan 22, 2013
- Oclaro (North America), Inc.
- Xuehua Wu
- G02 - OPTICS
Information Patent Grant
Optical device with stable optical configuration
- Patent number 8,346,084
- Issue date Jan 1, 2013
- Oclaro (North America), Inc.
- Haijun Yuan
- G02 - OPTICS
Information Patent Grant
High extinction ratio liquid crystal optical switch
- Patent number 8,203,691
- Issue date Jun 19, 2012
- Oclaro (North America), Inc.
- Haijun Yuan
- G02 - OPTICS
Information Patent Grant
Fiber lens assembly for optical device
- Patent number 8,094,982
- Issue date Jan 10, 2012
- Oclaro (North America), Inc.
- Xuehua Wu
- G02 - OPTICS
Information Patent Grant
Optical switch having angle tuning elements and multiple-fiber coll...
- Patent number 7,603,006
- Issue date Oct 13, 2009
- Avanex Corporation
- Ming Cai
- G02 - OPTICS
Information Patent Grant
Single channel four-port group delay compensation equalizer
- Patent number 7,457,544
- Issue date Nov 25, 2008
- Avanex Corporation
- John Feng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable thin film based DWDM devices for reconfigurable add-...
- Patent number 7,454,143
- Issue date Nov 18, 2008
- Avanex Corporation
- Xuehua Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for assembly of multi-ports optical apparatus
- Patent number 7,340,130
- Issue date Mar 4, 2008
- Avanex Corporation
- Xuehua Wu
- G02 - OPTICS
Information Patent Grant
Optical switch having angle tuning elements and multiple-fiber coll...
- Patent number 7,286,730
- Issue date Oct 23, 2007
- Avanex Corporation
- Ming Cai
- G02 - OPTICS
Information Patent Grant
Optical switch
- Patent number 7,221,818
- Issue date May 22, 2007
- Avanex Corporation
- Ming Cai
- G02 - OPTICS
Information Patent Grant
Structure and method for multi-ports optical apparatus
- Patent number 7,171,073
- Issue date Jan 30, 2007
- Avanex Corporation
- Xuehua Wu
- G02 - OPTICS
Information Patent Grant
Optical multiplexer and demultiplexer apparatus utilizing multiple...
- Patent number 7,158,697
- Issue date Jan 2, 2007
- Avanex Corporation
- Xuehua Wu
- G02 - OPTICS
Information Patent Grant
Etching process to selectively remove copper plating seed layer
- Patent number 6,428,719
- Issue date Aug 6, 2002
- Headway Technologies, Inc.
- Xuehua Wu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Corrosion inhibitor of NiCu for high performance writers
- Patent number 6,395,458
- Issue date May 28, 2002
- Headway Technologies, Inc.
- Xuehua Wu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Corrosion inhibitor of NiCu for high performance writers
- Patent number 6,387,599
- Issue date May 14, 2002
- Headway Technologies, Inc.
- Xuehua Wu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Masking frame plating method for forming masking frame plated layer
- Patent number 6,291,138
- Issue date Sep 18, 2001
- Headway Technologies, Inc.
- Xuehua Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-magnetic nickel containing conductor alloys for magnetic transd...
- Patent number 6,239,948
- Issue date May 29, 2001
- Headway Technologies, Inc.
- Xuehua Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Plated flat metal gap for very narrow recording heads
- Patent number 6,218,080
- Issue date Apr 17, 2001
- Headway Technologies, Inc.
- Xuehua Wu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Corrosion inhibitor for NiCu for high performance writers
- Patent number 6,207,350
- Issue date Mar 27, 2001
- Headway Technologies, Inc.
- Xuehua Wu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
High Extinction Ratio Liquid Crystal Optical Switch
- Publication number 20140085598
- Publication date Mar 27, 2014
- Oclaro, Inc.
- Haijun Yuan
- G02 - OPTICS
Information Patent Application
High Extinction Ratio Liquid Crystal Optical Switch
- Publication number 20120236247
- Publication date Sep 20, 2012
- Haijun Yuan
- G02 - OPTICS
Information Patent Application
SINGLE CONTROL LIQUID CRYSTAL OPTICAL SWITCH AND ATTENUATOR
- Publication number 20090147212
- Publication date Jun 11, 2009
- Xuehua Wu
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE WITH CASCADED STEERING DEVICES
- Publication number 20080219663
- Publication date Sep 11, 2008
- Haijun Yuan
- G02 - OPTICS
Information Patent Application
FIBER LENS ASSEMBLY FOR OPTICAL DEVICE
- Publication number 20080219619
- Publication date Sep 11, 2008
- Xuehua Wu
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE WITH STABLE OPTICAL CONFIGURATION
- Publication number 20080218872
- Publication date Sep 11, 2008
- Haijun Yuan
- G02 - OPTICS
Information Patent Application
HIGH EXTINCTION RATIO LIQUID CRYSTAL OPTICAL SWITCH
- Publication number 20080218680
- Publication date Sep 11, 2008
- Haijun Yuan
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCH HAVING ANGLE TUNING ELEMENTS AND MULTIPLE-FIBER COLL...
- Publication number 20080037932
- Publication date Feb 14, 2008
- Ming Cai
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCH HAVING ANGLE TUNING ELEMENTS AND MULTIPLE-FIBER COLL...
- Publication number 20070217735
- Publication date Sep 20, 2007
- AVANEX CORPORATION
- Ming Cai
- G02 - OPTICS
Information Patent Application
Optical switch
- Publication number 20060198574
- Publication date Sep 7, 2006
- AVANEX CORPORATION
- Ming Cai
- G02 - OPTICS
Information Patent Application
Optical multiplexer and demultiplexer apparatus utilizing multiple...
- Publication number 20040151425
- Publication date Aug 5, 2004
- Xuehua Wu
- G02 - OPTICS
Information Patent Application
Corrosion inhibitor of NiCu for high performance writers
- Publication number 20010008743
- Publication date Jul 19, 2001
- HEADWAY TECHNOLOGIES, INC.
- Xuehua Wu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Corrosion inhibitor of NiCu for high performance writers
- Publication number 20010008744
- Publication date Jul 19, 2001
- HEADWAY TECHNOLOGIES, INC.
- Xuehua Wu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Corrosion inhibitor of NiCu for high performance writers
- Publication number 20010008745
- Publication date Jul 19, 2001
- HEADWAY TECHNOLOGIES, INC.
- Xuehua Wu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Person

Patents Grantslast 30 patents

High extinction ratio liquid crystal optical switch

High extinction ratio liquid crystal optical switch

Single control liquid crystal optical switch and attenuator

Optical device with stable optical configuration

High extinction ratio liquid crystal optical switch

Fiber lens assembly for optical device

Optical switch having angle tuning elements and multiple-fiber coll...

Single channel four-port group delay compensation equalizer

Reconfigurable thin film based DWDM devices for reconfigurable add-...

Method for assembly of multi-ports optical apparatus

Optical switch having angle tuning elements and multiple-fiber coll...

Optical switch

Structure and method for multi-ports optical apparatus

Optical multiplexer and demultiplexer apparatus utilizing multiple...

Etching process to selectively remove copper plating seed layer

Corrosion inhibitor of NiCu for high performance writers

Corrosion inhibitor of NiCu for high performance writers

Masking frame plating method for forming masking frame plated layer

Non-magnetic nickel containing conductor alloys for magnetic transd...

Plated flat metal gap for very narrow recording heads

Corrosion inhibitor for NiCu for high performance writers

Patents Applicationslast 30 patents

High Extinction Ratio Liquid Crystal Optical Switch

High Extinction Ratio Liquid Crystal Optical Switch

SINGLE CONTROL LIQUID CRYSTAL OPTICAL SWITCH AND ATTENUATOR

OPTICAL DEVICE WITH CASCADED STEERING DEVICES

FIBER LENS ASSEMBLY FOR OPTICAL DEVICE

OPTICAL DEVICE WITH STABLE OPTICAL CONFIGURATION

HIGH EXTINCTION RATIO LIQUID CRYSTAL OPTICAL SWITCH

OPTICAL SWITCH HAVING ANGLE TUNING ELEMENTS AND MULTIPLE-FIBER COLL...

OPTICAL SWITCH HAVING ANGLE TUNING ELEMENTS AND MULTIPLE-FIBER COLL...

Optical switch

Optical multiplexer and demultiplexer apparatus utilizing multiple...

Corrosion inhibitor of NiCu for high performance writers

Corrosion inhibitor of NiCu for high performance writers

Corrosion inhibitor of NiCu for high performance writers