Inventor · disambiguated record
Don Francis Purpura
Also filed as: PURPURA DON · PURPURA DON F · PURPURA DON FRANCIS
18 granted patents·3 pending applications·629 citations·filing 1990–2022
96Inventor score
Files withCANON KK11CANON INFORMATION SYST INC4CANON DEV AMERICAS INC1CANON USA INC1HUGHES AIRCRAFT CO1
Top patents by PatentIndex Score
21 records- 0191US6920506B2Discovery and management of network printersCANON INFORMATION SYST INC·Filed 2001·Granted Jul 19, 2005·105 cites·184 claims
- 0290US7305556B2Secure printing with authenticated printer keyCANON KK·Filed 2001·Granted Dec 4, 2007·78 cites·25 claims
- 0384US7173730B1Rule-based data reproduction system and methodCANON INFORMATION SYST INC·Filed 2000·Granted Feb 6, 2007·39 cites·46 claims
- 0482US7433070B2Home printing from internet sourcesCANON KK·Filed 2005·Granted Oct 7, 2008·7 cites·10 claims
- 0579US7315824B2Internet printing by hotel guestsCANON DEV AMERICAS INC·Filed 2001·Granted Jan 1, 2008·39 cites·25 claims
- 0677US6690481B1Internet-based push printing over cable networkCANON KK·Filed 1999·Granted Feb 10, 2004·75 cites·20 claims
- 0776US7552239B2Network device mimic supportCANON INFORMATION SYST INC·Filed 2001·Granted Jun 23, 2009·25 cites·31 claims
- 0875US7454482B2Print queue managerCANON INFORMATION SYST INC·Filed 2001·Granted Nov 18, 2008·27 cites·104 claims
- 0973US8610938B2Remote print preview generationSEIKH ATTAULLAH·Filed 2011·Granted Dec 17, 2013·7 cites·32 claims
- 1068US6438604B1Digital video network interfaceCANON KK·Filed 1998·Granted Aug 20, 2002·68 cites·41 claims
- 1166US6930788B1Secure printing over cable network to home printerCANON KK·Filed 1999·Granted Aug 16, 2005·59 cites·21 claims
- 1263US7626992B2Interface device with network isolationCANON KK·Filed 2005·Granted Dec 1, 2009·2 cites·7 claims
- 1363US7084994B1Home printing from internet sourcesCANON KK·Filed 1999·Granted Aug 1, 2006·24 cites·13 claims
- 1460US6298164B1PCL conversion of JETSEND imagesCANON KK·Filed 1998·Granted Oct 2, 2001·28 cites·12 claims
- 1557US8390843B2Requesting print data of a second print device from a first print devicePURPURA DON·Filed 2007·Granted Mar 5, 2013·2 cites·7 claims
- 1653US6636329B2Software architecture for cable television home printingCANON KK·Filed 1999·Granted Oct 21, 2003·17 cites·20 claims
- 1750US7016358B2Interface device with network isolationCANON KK·Filed 2001·Granted Mar 21, 2006·1 cites·6 claims
- 1848US5398045ATouch control panelHUGHES AIRCRAFT CO·Filed 1990·Granted Mar 14, 1995·26 cites·12 claims
- 1945US2025063138A1Apparatus and method for controlling an online meetingCANON USA INC·Filed 2022·Application pending·0 cites
- 2042US2014314314A1Systems and methods for quantifying graphics or text in an imageCANON KK·Filed 2013·Application pending·0 cites
- 2137US2006082807A1Method and system for printing electronic mailTANAKA YOKICHI J·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →