Membership
Tour
Register
Log in
Li-Fung Cheung
Follow
Person
Alhambra, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Segmenting image data into blocks and deleting some prior to compre...
Patent number
6,272,252
Issue date
Aug 7, 2001
Xerox Corporation
George L. Eldridge
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
String-match array for substitutional compression
Patent number
5,930,790
Issue date
Jul 27, 1999
Xerox Corporation
Simon M. Law
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circuit for interfacing data busses
Patent number
5,555,433
Issue date
Sep 10, 1996
Xerox Corporation
Uoc H. Nguyen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circuit for freezing the data in an interface buffer
Patent number
5,541,932
Issue date
Jul 30, 1996
Xerox Corporation
Uoc H. Nguyen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of determining devices requesting the transfer of data signa...
Patent number
5,502,821
Issue date
Mar 26, 1996
Xerox Corporation
Uoc H. Nguyen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High speed CCITT decompressor
Patent number
5,229,863
Issue date
Jul 20, 1993
Xerox Corporation
Jean-Swey Kao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dirt insensitive optical paper path sensor
Patent number
4,670,647
Issue date
Jun 2, 1987
Xerox Corporation
Fred F. Hubble
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Low cost infrared reflectance densitometer signal processor chip
Patent number
4,550,254
Issue date
Oct 29, 1985
Xerox Corporation
Mehrdad Zomorrodi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Central processing unit having a micro-code engine
Publication number
20070250684
Publication date
Oct 25, 2007
Li-Fung Cheung
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Central processing unit having a micro-code engine
Publication number
20050198482
Publication date
Sep 8, 2005
Altek Corporation
Li-Fung Cheung
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Shift register engine
Publication number
20050198090
Publication date
Sep 8, 2005
Altek Corporation
Li-Fung Cheung
G06 - COMPUTING CALCULATING COUNTING