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Yongjian Wang
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Saratoga, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Highly integrated hybrid component for high power optical amplifier...
Patent number
6,876,491
Issue date
Apr 5, 2005
AC Photonics, Inc.
Yiqiang Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and system for providing a simplified in-line optical circul...
Patent number
6,782,145
Issue date
Aug 24, 2004
AC Photonics, Inc.
Yiqiang Li
G02 - OPTICS
Information
Patent Grant
Reflection type compact optical switch
Patent number
6,707,960
Issue date
Mar 16, 2004
AC Photonics, Inc.
Yiqiang Li
G02 - OPTICS
Information
Patent Grant
Dense wavelength division multiplexer configuration
Patent number
6,701,040
Issue date
Mar 2, 2004
AC Photonics, Inc.
Yiqiang Li
G02 - OPTICS
Information
Patent Grant
Low cost isolator/polarization beam combiner hybrid component
Patent number
6,690,501
Issue date
Feb 10, 2004
AC Photonics, Inc.
Yiqiang Li
G02 - OPTICS
Information
Patent Grant
Polarization insensitive liquid crystal tunable filter
Patent number
6,522,467
Issue date
Feb 18, 2003
AC Photonics, Inc.
Yiqiang Li
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Highly stable compact configurable optical add/drop module
Publication number
20030215177
Publication date
Nov 20, 2003
Yiqiang Li
G02 - OPTICS
Information
Patent Application
Reflection type compact optical switch
Publication number
20030099430
Publication date
May 29, 2003
Yiqiang Li
G02 - OPTICS
Information
Patent Application
Dense wavelength division multiplexer configuration
Publication number
20030072527
Publication date
Apr 17, 2003
Yiqiang Li
G02 - OPTICS
Information
Patent Application
Highly integrated hybrid component for high power optical amplifier...
Publication number
20030072075
Publication date
Apr 17, 2003
Yiqiang Li
G02 - OPTICS
Information
Patent Application
Low cost isolator/polarization beam combiner hybrid component
Publication number
20030072069
Publication date
Apr 17, 2003
Yiqiang Li
G02 - OPTICS
Information
Patent Application
Method and system for providing a simplified in-line optical circul...
Publication number
20020150321
Publication date
Oct 17, 2002
Yiqiang Li
G02 - OPTICS