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Joe Zheng
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Brookfield, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for locating a two-dimensional symbol using a...
Patent number
6,122,410
Issue date
Sep 19, 2000
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for decoding two-dimensional symbols in the sp...
Patent number
6,094,509
Issue date
Jul 25, 2000
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for compressing images containing optical symbols
Patent number
5,610,995
Issue date
Mar 11, 1997
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for illumination and imaging of a surface usin...
Patent number
5,567,934
Issue date
Oct 22, 1996
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
The performance of a printer or an imaging system using transform-b...
Patent number
5,566,245
Issue date
Oct 15, 1996
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for characterizing the performance of a printe...
Patent number
5,555,313
Issue date
Sep 10, 1996
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for illumination and imaging of a surface usin...
Patent number
5,517,018
Issue date
May 14, 1996
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for locating an acquisition target in two-dime...
Patent number
5,515,447
Issue date
May 7, 1996
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Postnet bar code decoder
Patent number
5,428,211
Issue date
Jun 27, 1995
United Parcel Service of America Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for detecting artifact corners in two-dimensio...
Patent number
5,418,862
Issue date
May 23, 1995
United Parcel Service of America
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for illumination and imaging of a surface empl...
Patent number
5,399,852
Issue date
Mar 21, 1995
United Parcel Service of America, Inc.
Joe Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for determining the displacement of a rectangu...
Patent number
5,317,388
Issue date
May 31, 1994
United Parcel Service of America, Inc.
Stefan Surka
G01 - MEASURING TESTING