Yifei Li

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Norwood, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical domain frequency down-conversion of microwave signals
- Patent number 7,835,650
- Issue date Nov 16, 2010
- Drexel University
- Yifei Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photonic phase locked loop detector/discriminator
- Patent number 7,653,318
- Issue date Jan 26, 2010
- F & H Applied Science Associates, Inc.
- Yifei Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Attenuating counter-propagating optical phase modulation
- Patent number 7,305,152
- Issue date Dec 4, 2007
- Drexel University
- Yifei Li
- G02 - OPTICS
Information Patent Grant
Multiple laser source, and systems for use thereof
- Patent number 6,654,401
- Issue date Nov 25, 2003
- F & H Applied Science Associates, Inc.
- Amarildo Jesus Cavalheiro Vieira
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DOMAIN FREQUENCY DOWN-CONVERSION OF MICROWAVE SIGNALS
- Publication number 20080013150
- Publication date Jan 17, 2008
- Drexel University
- Yifei Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATTENUATING COUNTER-PROPAGATING OPTICAL PHASE MODULATION
- Publication number 20070280579
- Publication date Dec 6, 2007
- Yifei Li
- G02 - OPTICS
Information Patent Application
Photonic phase locked loop detector/discriminator
- Publication number 20060251420
- Publication date Nov 9, 2006
- Yifei Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple laser source, and systems for use thereof
- Publication number 20020018494
- Publication date Feb 14, 2002
- Amarildo Jesus Cavalheiro Vieira
- H01 - BASIC ELECTRIC ELEMENTS