Inventor
PURPURA DON FRANCIS
US13 patents
⚠️ This page may combine multiple inventors who share the name “PURPURA DON FRANCIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
8 patentsUS7305556B2Dec 4, 2007
Secure printing with authenticated printer key
CANON KK78 citations97
US6690481B1Feb 10, 2004
Internet-based push printing over cable network
CANON KK75 citations97
US6930788B1Aug 16, 2005
Secure printing over cable network to home printer
CANON KK59 citations95
US6438604B1Aug 20, 2002
Digital video network interface
CANON KK68 citations93
US7084994B1Aug 1, 2006
Home printing from internet sources
CANON KK24 citations90
US6298164B1Oct 2, 2001
PCL conversion of JETSEND images
CANON KK28 citations90
US6636329B2Oct 21, 2003
Software architecture for cable television home printing
CANON KK17 citations82
US7433070B2Oct 7, 2008
Home printing from internet sources
CANON KK7 citations71
CANON INFORMATION SYST INC
4 patentsUS6920506B2Jul 19, 2005
Discovery and management of network printers
CANON INFORMATION SYST INC105 citations95
US7552239B2Jun 23, 2009
Network device mimic support
CANON INFORMATION SYST INC25 citations92
US7454482B2Nov 18, 2008
Print queue manager
CANON INFORMATION SYST INC27 citations89
US7173730B1Feb 6, 2007
Rule-based data reproduction system and method
CANON INFORMATION SYST INC39 citations89