Chiayu Ai

Person

Newark, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical spectrum analyzer with continuously rotating tunable filter
- Patent number 8,953,161
- Issue date Feb 10, 2015
- Optoplex Corporation
- Yung-Chieh Hsieh
- G01 - MEASURING TESTING
Information Patent Grant
Sagnac delay-line interferometer for DPSK demodulation
- Patent number 8,270,067
- Issue date Sep 18, 2012
- Optoplex Corporation
- Yung-Chieh Hsieh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical spectrum analyzer with continuously rotating tunable filter
- Patent number 7,961,316
- Issue date Jun 14, 2011
- Optoplex Corporation
- Yung-Chieh Hsieh
- G01 - MEASURING TESTING
Information Patent Grant
Step-phase interferometric optical interleaver
- Patent number 7,408,713
- Issue date Aug 5, 2008
- Yung-Chieh Hsieh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical performance monitoring device
- Patent number 7,286,757
- Issue date Oct 23, 2007
- Optoplex Corporation
- Yung-Chieh Hsieh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bandwidth enhancement device
- Patent number 7,092,162
- Issue date Aug 15, 2006
- Yung-Chieh Hsieh
- G02 - OPTICS
Information Patent Grant
Tunable filter for optical add/drop module
- Patent number 6,909,549
- Issue date Jun 21, 2005
- Yung-Chieh Hsieh
- G02 - OPTICS
Information Patent Grant
Optical path length tuner
- Patent number 6,816,315
- Issue date Nov 9, 2004
- Optoplex Corporation
- Chiayu Ai
- G02 - OPTICS
Information Patent Grant
Wide range tunable filter
- Patent number 6,714,743
- Issue date Mar 30, 2004
- Optoplex Corporation
- Yung-Chieh Hsieh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FORMATION OF A BEAM WITH A FLAT-TOP PROFILE AND ELONGATED CROSS-SEC...
- Publication number 20230030757
- Publication date Feb 2, 2023
- Yung-Chieh Hsieh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SPECTRUM ANALYZER WITH CONTINUOUSLY ROTATING TUNABLE FILTER
- Publication number 20140125975
- Publication date May 8, 2014
- OPTOPLEX CORPORATION
- Yung-Chieh Hsieh
- G01 - MEASURING TESTING
Information Patent Application
WEDGE PAIR FOR PHASE SHIFTING
- Publication number 20110317170
- Publication date Dec 29, 2011
- Yung-Chieh Hsieh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SPECTRUM ANALYZER WITH CONTINUOUSLY ROTATING TUYNABLE FILTER
- Publication number 20110211194
- Publication date Sep 1, 2011
- OPTOPLEX CORPORATION
- Yung-Chieh Hsieh
- G01 - MEASURING TESTING
Information Patent Application
Optical spectrum analyzer with continuously rotating tuynable filter
- Publication number 20070285659
- Publication date Dec 13, 2007
- OPTOPLEX CORPORATION
- Yung-Chieh Hsieh
- G01 - MEASURING TESTING
Information Patent Application
Michelson interferometer based delay line interferometers
- Publication number 20060268277
- Publication date Nov 30, 2006
- Optoplex Corporation
- Yung-Chieh Hsieh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable dispersion step-phase interferometers
- Publication number 20050270544
- Publication date Dec 8, 2005
- Optoplex Corporation
- Yung-Chieh Hsieh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wide range tunable filter
- Publication number 20030007225
- Publication date Jan 9, 2003
- Optoplex Corporation
- Yung-Chieh Hsieh
- G02 - OPTICS
Information Patent Application
Variable optical attenuator
- Publication number 20020181929
- Publication date Dec 5, 2002
- Optoplex Corporation
- Yung-Chieh Hsieh
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Optical spectrum analyzer with continuously rotating tunable filter

Sagnac delay-line interferometer for DPSK demodulation

Optical spectrum analyzer with continuously rotating tunable filter

Step-phase interferometric optical interleaver

Optical performance monitoring device

Bandwidth enhancement device

Tunable filter for optical add/drop module

Optical path length tuner

Wide range tunable filter

Patents Applicationslast 30 patents

FORMATION OF A BEAM WITH A FLAT-TOP PROFILE AND ELONGATED CROSS-SEC...

OPTICAL SPECTRUM ANALYZER WITH CONTINUOUSLY ROTATING TUNABLE FILTER

WEDGE PAIR FOR PHASE SHIFTING

OPTICAL SPECTRUM ANALYZER WITH CONTINUOUSLY ROTATING TUYNABLE FILTER

Optical spectrum analyzer with continuously rotating tuynable filter

Michelson interferometer based delay line interferometers

Variable dispersion step-phase interferometers

Wide range tunable filter

Variable optical attenuator