Inventor
CANFIELD BRIAN P
ES8 patents
Patents
8 patentsUS5600351AFeb 4, 1997
Inkjet printer with increased print resolution in the carriage scan axis
HEWLETT PACKARD CO50 citations95
US5528269AJun 18, 1996
Servicing a newly-installed ink pen to eliminate uneven print quality without excessive wasting of ink
HEWLETT PACKARD CO61 citations95
US5526027AJun 11, 1996
Thermal turn on energy test for an inkjet printer
HEWLETT PACKARD CO51 citations94
US5428376AJun 27, 1995
Thermal turn on energy test for an inkjet printer
HEWLETT PACKARD CO47 citations94
US5541625AJul 30, 1996
Method for increased print resolution in the carriage scan axis of an inkjet printer
HEWLETT PACKARD CO43 citations92
US5455613AOct 3, 1995
Thin film resistor printhead architecture for thermal ink jet pens
HEWLETT PACKARD CO39 citations92
US5342133AAug 30, 1994
Paper moving system for a printer/plotter
HEWLETT PACKARD CO31 citations91
US5726690AMar 10, 1998
Control of ink drop volume in thermal inkjet printheads by varying the pulse width of the firing pulses
HEWLETT PACKARD CO42 citations89