John C. Kowalczyk

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Reflective display based on liquid crystal materials
- Patent number 7,387,858
- Issue date Jun 17, 2008
- Industrial Technology Research Institute
- Krishnan Chari
- G02 - OPTICS
Information Patent Grant
Process for forming color filter array
- Patent number 6,599,668
- Issue date Jul 29, 2003
- Eastman Kodak Company
- Krishnan Chari
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Reflective display based on liquid crystal materials
- Publication number 20060134349
- Publication date Jun 22, 2006
- Eastman Kodak Company
- Krishnan Chari
- G02 - OPTICS
Information Patent Application
Reflective display based on liquid crystal materials
- Publication number 20060134564
- Publication date Jun 22, 2006
- Eastman Kodak Company
- Krishnan Chari
- G02 - OPTICS
Information Patent Application
Process for forming color filter array
- Publication number 20030064301
- Publication date Apr 3, 2003
- Eastman Kodak Company
- Krishnan Chari
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY