Wunan Chang

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for increasing flash rate in a document reproduct...
- Patent number 6,532,350
- Issue date Mar 11, 2003
- Heidelberger Druckmaschinen AG
- Kenneth P. Friedrich
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning mechanism for the toning roller of an electro-statographic...
- Patent number 5,655,198
- Issue date Aug 5, 1997
- Eastman Kodak Company
- Francisco L. Ziegelmuller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer mix monitoring for color developer stations
- Patent number 5,192,972
- Issue date Mar 9, 1993
- Eastman Kodak Company
- Arthur S. Kroll
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer mix monitoring for replaceable developer stations
- Patent number 4,956,668
- Issue date Sep 11, 1990
- Eastman Kodak Company
- Kenneth A. Arnold
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY