Dan S. Johnson

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Greeley, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical image scanner with internal measurement of point-spread fun...
- Patent number 6,567,570
- Issue date May 20, 2003
- Hewlett-Packard Development Company, L.P.
- Michael J. Steinle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple image scanner
- Patent number 6,542,260
- Issue date Apr 1, 2003
- Hewlett-Packard Company
- Robert G. Gann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image scanner with compensation for magnification changes
- Patent number 6,172,772
- Issue date Jan 9, 2001
- Hewlett-Packard Company
- Michael J. Steinle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive resolution scanning
- Patent number 6,160,249
- Issue date Dec 12, 2000
- Hewlett-Packard Company
- Steven L. Webb
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for applying tonal correction to image data
- Patent number 5,920,407
- Issue date Jul 6, 1999
- Hewlett-Packard Company
- Michael D Erickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable resolution color image scanner having an exposure delay be...
- Patent number 5,483,053
- Issue date Jan 9, 1996
- Hewlett-Packard Company
- Dan S. Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE