Inventor
HELFRICK DAVID D
US3 patents
Patents
3 patentsUS6832823B1Dec 21, 2004
Disabling ink ejection elements to decrease dot placement artifacts in an inkjet printhead
HEWLETT PACKARD DEVELOPMENT CO13 citations82
US6698858B1Mar 2, 2004
System and method for decreasing print banding with time delay synchronization of ejected ink
HEWLETT PACKARD DEVELOPMENT CO11 citations72
US6935714B2Aug 30, 2005
Variable mapping of nozzle rows to decrease dot placement artifacts of an inkjet printhead
HEWLETT PACKARD DEVELOPMENT CO1 citations51