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Yongan Wu
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Gain-clamped semiconductor optical amplifiers with adjustable gain...
Patent number
6,751,013
Issue date
Jun 15, 2004
Onetta, Inc.
Yongan Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor optical amplifier systems
Patent number
6,731,427
Issue date
May 4, 2004
Onetta, Inc.
Yongan Wu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dynamic gain flattening in an optical communication system
Patent number
6,731,424
Issue date
May 4, 2004
Onetta, Inc.
Yongan Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifiers with stable output power under low input power c...
Patent number
6,687,049
Issue date
Feb 3, 2004
Onetta, Inc.
James W. Sulhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pumps for Raman amplifier systems
Patent number
6,625,347
Issue date
Sep 23, 2003
Onetta, Inc.
Yongan Wu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifiers with age-based pump current limiters
Patent number
6,583,926
Issue date
Jun 24, 2003
Onetta, Inc.
Yongan Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Double-pass optical amplifier
Patent number
6,456,429
Issue date
Sep 24, 2002
Onetta, Inc.
Yongan Wu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multiwavelength pumps for raman amplifier systems
Patent number
6,433,921
Issue date
Aug 13, 2002
Onetta, Inc.
Yongan Wu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Safety latch for Raman amplifiers
Patent number
6,423,963
Issue date
Jul 23, 2002
Onetta, Inc.
Yongan Wu
G02 - OPTICS
Information
Patent Grant
Optical amplifiers with variable optical attenuation for use in fib...
Patent number
6,377,396
Issue date
Apr 23, 2002
Onetta, Inc.
Yan Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
High Efficiency, Wavelength Stabilized Laser Diode Using AWG's And...
Publication number
20070223552
Publication date
Sep 27, 2007
JDS Uniphase Corporation
Martin H. Muendel
G02 - OPTICS
Information
Patent Application
Novel intelligent search engine
Publication number
20070050374
Publication date
Mar 1, 2007
Fang Zhao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Novel method to enhance the computer using and online surfing/shopp...
Publication number
20050288820
Publication date
Dec 29, 2005
Yongan Wu
G06 - COMPUTING CALCULATING COUNTING