Andrew E. Fitzhugh

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Mountain View, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ink relocation for color halftones
- Patent number 5,991,512
- Issue date Nov 23, 1999
- Hewlett-Packard Company
- Doron Shaked
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color halftone error-diffusion with local brightness variation redu...
- Patent number 5,991,438
- Issue date Nov 23, 1999
- Hewlett-Packard Company
- Doron Shaked
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bi-level digital color printer system exhibiting improved undercolo...
- Patent number 5,402,245
- Issue date Mar 28, 1995
- Hewlett-Packard Company
- Ricardo J. Motta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE