Danny Yu

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical gain flattening filter using VPG-based optical elements
- Patent number 6,900,932
- Issue date May 31, 2005
- Bayspec, Inc.
- Li Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and techniques for achieving flattened and broadened pass b...
- Patent number 6,888,980
- Issue date May 3, 2005
- Bayspec, Inc.
- Danny (Dejin) Yu
- G02 - OPTICS
Information Patent Grant
Optical amplifier with a spectral gain monitor using a volume phase...
- Patent number 6,747,791
- Issue date Jun 8, 2004
- Bayspec, Inc.
- William Wei Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL AMPLIFIER WITH A SPECTRAL GAIN MONITOR USING A VOLUME PHASE...
- Publication number 20040105144
- Publication date Jun 3, 2004
- William Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and techniques for achieving flattened and broadened pass b...
- Publication number 20030123791
- Publication date Jul 3, 2003
- Danny Yu
- G02 - OPTICS
Information Patent Application
Method and system for pass band flattening and broadening of transm...
- Publication number 20030118281
- Publication date Jun 26, 2003
- Li Chen
- G02 - OPTICS
Information Patent Application
Optical gain flattening filter using VPG-based optical elements
- Publication number 20030053195
- Publication date Mar 20, 2003
- Li Chen
- H01 - BASIC ELECTRIC ELEMENTS