Inventor
NORTON KIRKPATRICK WILLIAM
US7 patents
⚠️ This page may combine multiple inventors who share the name “NORTON KIRKPATRICK WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
5 patentsUS6439678B1Aug 27, 2002
Method and apparatus for non-saturated switching for firing energy control in an inkjet printer
HEWLETT PACKARD CO37 citations91
US6309040B1Oct 30, 2001
Signaling method for a pen driver circuit interface
HEWLETT PACKARD CO18 citations91
US6381371B1Apr 30, 2002
Method and apparatus for processing image files
HEWLETT PACKARD CO52 citations90
US6139128AOct 31, 2000
Discrete pen wiping and pen specific print direction to reduce size of inkjet printer
HEWLETT PACKARD CO20 citations88
US6140636AOct 31, 2000
Single track encoder for providing absolute position information
HEWLETT PACKARD CO30 citations86