Qiwen Zhan

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Lauderdale, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical structures with nanostructre features and methods of use an...
- Patent number 9,579,191
- Issue date Feb 28, 2017
- Novartis AG
- Xin Hong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Systems and methods for generating complex vectorial optical fields
- Patent number 9,474,143
- Issue date Oct 18, 2016
- University of Dayton
- Qiwen Zhan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods of polarization engineering and their applications
- Patent number 8,248,599
- Issue date Aug 21, 2012
- University of Dayton
- Qiwen Zhan
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Ellipsometry methods and apparatus using solid immersion tunneling
- Patent number 6,934,024
- Issue date Aug 23, 2005
- Regents of The University of Minnesota
- Qiwen Zhan
- G01 - MEASURING TESTING
Information Patent Grant
Imaging ellipsometry
- Patent number 6,798,511
- Issue date Sep 28, 2004
- Regents of The University of Minnesota
- Qiwen Zhan
- G01 - MEASURING TESTING
Information Patent Grant
Ellipsometer using radial symmetry
- Patent number 6,693,711
- Issue date Feb 17, 2004
- Regents of The University of Minnesota
- James R. Leger
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR GENERATING COMPLEX VECTORIAL OPTICAL FIELDS
- Publication number 20160055929
- Publication date Feb 25, 2016
- University of Dayton
- Qiwen Zhan
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
OPTICAL STRUCTURES WITH NANOSTRUCTRE FEATURES AND METHODS OF USE AN...
- Publication number 20120259411
- Publication date Oct 11, 2012
- Novartis AG
- Xin Hong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHODS OF POLARIZATION ENGINEERING AND THEIR APPLICATIONS
- Publication number 20100141939
- Publication date Jun 10, 2010
- University of Dayton
- Qiwen Zhan
- G01 - MEASURING TESTING
Information Patent Application
Ellipsometry methods and apparatus using solid immersion tunneling
- Publication number 20040189992
- Publication date Sep 30, 2004
- Regents of the University of Minnesota
- Qiwen Zhan
- G01 - MEASURING TESTING
Information Patent Application
Ellipsometry methods and apparatus using solid immersion tunneling
- Publication number 20030227623
- Publication date Dec 11, 2003
- Regents of the University of Minnesota
- Qiwen Zhan
- G01 - MEASURING TESTING