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Lawrence K.-F. Cheung
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Hockessin, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Amorphous selenium flat panel x-ray imager for tomosynthesis and st...
Patent number
7,304,308
Issue date
Dec 4, 2007
Hologic, Inc.
Lawrence Cheung
G01 - MEASURING TESTING
Information
Patent Grant
Amorphous selenium flat panel x-ray imager for tomosynthesis and st...
Patent number
7,233,005
Issue date
Jun 19, 2007
Hologic, Inc.
Snezana Bogdanovich
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Amorphous selenium flat panel x-ray imager for tomosynthesis and st...
Patent number
7,122,803
Issue date
Oct 17, 2006
Hologic, Inc.
Zhenxue Jing
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flat panel x-ray imager with gain layer
Patent number
6,437,339
Issue date
Aug 20, 2002
Hologic, Inc.
Denny L. Y. Lee
G01 - MEASURING TESTING
Information
Patent Grant
Image capture element
Patent number
6,025,599
Issue date
Feb 15, 2000
Direct Radiography Corp.
Denny L. Y. Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for preparing digital radiography panels
Patent number
5,844,243
Issue date
Dec 1, 1998
Direct Radiography Co.
Denny Lap Yen Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus and method for eliminating residual charges in an image c...
Patent number
5,563,421
Issue date
Oct 8, 1996
Sterling Diagnostic Imaging, Inc.
Denny L. Y. Lee
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for acquiring an X-ray image using a solid sta...
Patent number
5,319,206
Issue date
Jun 7, 1994
E. I. Du Pont de Nemours and Company
Denny L. Y. Lee
G01 - MEASURING TESTING
Information
Patent Grant
Photohardenable electrostatic master having improved backtransfer a...
Patent number
4,818,660
Issue date
Apr 4, 1989
E. I. Du Pont de Nemours and Company
Graciela B. Blanchet-Fincher
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Amorphous selenium flat panel x-ray imager for tomosynthesis and st...
Publication number
20060192131
Publication date
Aug 31, 2006
Lawrence Cheung
G01 - MEASURING TESTING
Information
Patent Application
Amorphous selenium flat panel x-ray imager for tomosynthesis and st...
Publication number
20060180768
Publication date
Aug 17, 2006
Snezana Bogdanovich
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AMORPHOUS SELENIUM FLAT PANEL X-RAY IMAGER FOR TOMOSYNTHESIS AND ST...
Publication number
20060180771
Publication date
Aug 17, 2006
Zhenxue Jing
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flat panel x-ray imager with gain layer
Publication number
20010032934
Publication date
Oct 25, 2001
Hologic, Inc.
Denny L.Y. Lee
G01 - MEASURING TESTING