Tom B. Pritchard

Person

Brush Prairie, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System for improving the speed of data processing
- Patent number 7,355,747
- Issue date Apr 8, 2008
- Hewlett-Packard Development Company, L.P.
- Thomas B Pritchard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light emitting device projection methods and systems
- Patent number 7,230,657
- Issue date Jun 12, 2007
- Hewlett-Packard Development Company, L.P.
- Winthrop D. Childers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing quantization errors in imaging systems
- Patent number 6,853,468
- Issue date Feb 8, 2005
- Hewlett-Packard Development Company, L.P.
- Steven O. Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pixel depletion technique
- Patent number 6,804,417
- Issue date Oct 12, 2004
- Hewlett-Packard Development Company, L.P.
- Mark D. Lund
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reducing quantization errors in imaging systems
- Patent number 6,760,122
- Issue date Jul 6, 2004
- Hewlett-Packard Development Company, L.P.
- Steven O. Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple data manipulation algorithms for text quality enhancement
- Patent number 6,650,793
- Issue date Nov 18, 2003
- Hewlett-Packard Development Company, L.P.
- Mark D. Lund
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for transferring data between a printer and a...
- Patent number 6,267,463
- Issue date Jul 31, 2001
- Hewlett-Packard Company
- Ronald R. Paulsen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Table based fast error diffusion halftoning technique
- Patent number 6,057,933
- Issue date May 2, 2000
- Hewlett-Packard Company
- Kevin R. Hudson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computerized memory mapping method for transforming color data
- Patent number 5,732,151
- Issue date Mar 24, 1998
- Hewlett-Packard Company
- Eva-Maria Moon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dot depletion in pixel-array printing
- Patent number 5,706,414
- Issue date Jan 6, 1998
- Hewlett-Packard Company
- Thomas B. Pritchard
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for compression and decompression of data used...
- Patent number 5,596,423
- Issue date Jan 21, 1997
- Hewlett-Packard Company
- Thomas B. Pritchard
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Testing integrated circuit pad input and output structures
- Patent number 5,369,645
- Issue date Nov 29, 1994
- Hewlett-Packard Company
- Thomas B. Pritchard
- G01 - MEASURING TESTING
Information Patent Grant
Data compression/decompression method, device and resulting data st...
- Patent number 5,123,061
- Issue date Jun 16, 1992
- Hewlett-Packard Company
- Thomas B. Pritchard
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ink jet color graphics printing
- Patent number 5,012,257
- Issue date Apr 30, 1991
- Hewlett-Packard Company
- David J. Lowe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic discharge and electromagnetic interference protection...
- Patent number 4,958,255
- Issue date Sep 18, 1990
- Hewlett-Packard Company
- Thomas B. Pritchard
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Printer and printing method
- Publication number 20070091369
- Publication date Apr 26, 2007
- Hsue-Yang Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Light emitting device projection methods and systems
- Publication number 20040160536
- Publication date Aug 19, 2004
- Winthrop D. Childers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reducing quantization errors in imaging systems
- Publication number 20040105106
- Publication date Jun 3, 2004
- Steven O. Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System for improving the speed of data processing
- Publication number 20030137698
- Publication date Jul 24, 2003
- Thomas B. Pritchard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tom B. Pritchard

Person

Patents Grantslast 30 patents

System for improving the speed of data processing

Light emitting device projection methods and systems

Reducing quantization errors in imaging systems

Pixel depletion technique

Reducing quantization errors in imaging systems

Multiple data manipulation algorithms for text quality enhancement

Method and apparatus for transferring data between a printer and a...

Table based fast error diffusion halftoning technique

Computerized memory mapping method for transforming color data

Dot depletion in pixel-array printing

Method and apparatus for compression and decompression of data used...

Testing integrated circuit pad input and output structures

Data compression/decompression method, device and resulting data st...

Ink jet color graphics printing

Electrostatic discharge and electromagnetic interference protection...

Patents Applicationslast 30 patents

Printer and printing method

Light emitting device projection methods and systems

Reducing quantization errors in imaging systems

System for improving the speed of data processing