Inventor · disambiguated record
James M. Duff
Also filed as: DUFF JAMES · DUFF JAMES M · DUFF JAMES MCCONNELL
92 granted patents·6 pending applications·5,054 citations·filing 1983–2010
99Inventor score
Top patents by PatentIndex Score
98 records- 0199US6696552B2Process for preparing substituted pyridone compoundsXEROX CORP·Filed 2002·Granted Feb 24, 2004·124 cites·44 claims
- 0299US6673139B1Phase change inks containing dimeric azo pyridone colorantsXEROX CORP·Filed 2002·Granted Jan 6, 2004·140 cites·71 claims
- 0399US6476219B1Methods for preparing phthalocyanine compositionsXEROX CORP·Filed 2002·Granted Nov 5, 2002·147 cites·52 claims
- 0499US5554480AFluorescent toner processesXEROX CORP·Filed 1994·Granted Sep 10, 1996·144 cites·29 claims
- 0599US5473064AHydroxygallium phthalocyanine imaging members and processesXEROX CORP·Filed 1993·Granted Dec 5, 1995·332 cites·28 claims
- 0698US6755902B2Phase change inks containing azo pyridone colorantsXEROX CORP·Filed 2002·Granted Jun 29, 2004·137 cites·76 claims
- 0798US6726755B2Ink compositions containing phthalocyaninesXEROX CORP·Filed 2002·Granted Apr 27, 2004·150 cites·42 claims
- 0898US6713614B2Dimeric azo pyridone colorantsXEROX CORP·Filed 2002·Granted Mar 30, 2004·154 cites·36 claims
- 0998US6663703B1Phase change inks containing dimeric azo pyridone colorantsXEROX CORP·Filed 2002·Granted Dec 16, 2003·139 cites·74 claims
- 1098US6646111B1Dimeric azo pyridone colorantsXEROX CORP·Filed 2002·Granted Nov 11, 2003·139 cites·33 claims
- 1198US6590082B1Azo pyridone colorantsXEROX CORP·Filed 2002·Granted Jul 8, 2003·149 cites·36 claims
- 1298US6576748B1Method for making dimeric azo pyridone colorantsXEROX CORP·Filed 2002·Granted Jun 10, 2003·138 cites·80 claims
- 1398US6472523B1Phthalocyanine compositionsXEROX CORP·Filed 2002·Granted Oct 29, 2002·170 cites·20 claims
- 1498US5385803AAuthentication processXEROX CORP·Filed 1993·Granted Jan 31, 1995·110 cites·24 claims
- 1598US5208630AProcess for the authentication of documents utilizing encapsulated tonersXEROX CORP·Filed 1991·Granted May 4, 1993·130 cites·3 claims
- 1698US5166339AProcesses for the preparation of titanium phthalocyaninesXEROX CORP·Filed 1990·Granted Nov 24, 1992·148 cites·54 claims
- 1798US5153094AProcesses for the preparation of photogenerating pigmentsXEROX CORP·Filed 1990·Granted Oct 6, 1992·112 cites·25 claims
- 1898US4476210ADyed stabilized liquid developer and method for makingXEROX CORP·Filed 1983·Granted Oct 9, 1984·110 cites·26 claims
- 1997US5290654AMicrosuspension processes for toner compositionsXEROX CORP·Filed 1992·Granted Mar 1, 1994·900 cites·19 claims
- 2096US6756169B2Imaging membersXEROX CORP·Filed 2002·Granted Jun 29, 2004·75 cites·27 claims
- 2196US6576747B1Processes for preparing dianthranilate compounds and diazopyridone colorantsXEROX CORP·Filed 2002·Granted Jun 10, 2003·136 cites·26 claims
- 2295US5645965ASymmetrical perylene dimersXEROX CORP·Filed 1996·Granted Jul 8, 1997·81 cites·83 claims
- 2394US6998493B2Colorant compoundsXEROX CORP·Filed 2003·Granted Feb 14, 2006·52 cites·98 claims
- 2493US4937164AThionated perylene photoconductive imaging members for electrophotographyXEROX CORP·Filed 1989·Granted Jun 26, 1990·37 cites·30 claims
- 2593US4618551APhotoresponsive imaging members with polysilylenes hole transporting compositionsXEROX CORP·Filed 1985·Granted Oct 21, 1986·43 cites·21 claims
- 2692US6464902B1Perylene mixturesXEROX CORP·Filed 2000·Granted Oct 15, 2002·13 cites·35 claims
- 2792US5206359AProcesses for preparation of titanyl phthalocyanines type xXEROX CORP·Filed 1991·Granted Apr 27, 1993·41 cites·39 claims
- 2891US6946226B2Photoconductive imaging membersXEROX CORP·Filed 2003·Granted Sep 20, 2005·36 cites·29 claims
- 2991US6774393B2Field effect transistorXEROX CORP·Filed 2003·Granted Aug 10, 2004·58 cites·14 claims
- 3090US7820780B2Polymers of napthalene tetracarboxylic diimide dimersXEROX CORP·Filed 2009·Granted Oct 26, 2010·8 cites·12 claims
- 3190US6860931B2Phase change inks containing colorant compoundsXEROX CORP·Filed 2003·Granted Mar 1, 2005·27 cites·126 claims
- 3289US6794102B2Naphthalene tetracarboxylic diimide dimersXEROX CORP·Filed 2002·Granted Sep 21, 2004·27 cites·8 claims
- 3389US6713220B2Photoconductive membersXEROX CORP·Filed 2002·Granted Mar 30, 2004·30 cites·33 claims
- 3489US6656651B1Photoconductive membersXEROX CORP·Filed 2002·Granted Dec 2, 2003·31 cites·35 claims
- 3588US7449268B2Polymers of napthalene tetracarboxylic diimide dimersXEROX CORP·Filed 2005·Granted Nov 11, 2008·8 cites·4 claims
- 3688US6656650B1Imaging membersXEROX CORP·Filed 2002·Granted Dec 2, 2003·28 cites·25 claims
- 3788US5407766AHydroxygallium phthalocyanine photoconductive imaging membersXEROX CORP·Filed 1993·Granted Apr 18, 1995·35 cites·6 claims
- 3888US5164493AProcesses for the preparation of titanyl phthalocyanines type I with phthalonitrileXEROX CORP·Filed 1991·Granted Nov 17, 1992·26 cites·33 claims
- 3987US6750609B2OLEDs having light absorbing electrodeXEROX CORP·Filed 2001·Granted Jun 15, 2004·46 cites·16 claims
- 4085US5153023AProcess for catalysis of electroless metal plating on plasticXEROX CORP·Filed 1990·Granted Oct 6, 1992·62 cites·18 claims
- 4183US5126390ACoating formulations for the preparation of transfer elementsXEROX CORP·Filed 1990·Granted Jun 30, 1992·31 cites·29 claims
- 4282US6946227B2Imaging membersXEROX CORP·Filed 2002·Granted Sep 20, 2005·20 cites·19 claims
- 4382US6835238B1Phase change inks containing colorant compoundsXEROX CORP·Filed 2003·Granted Dec 28, 2004·20 cites·148 claims
- 4482US5345254AInk jet printing processXEROX CORP·Filed 1991·Granted Sep 6, 1994·44 cites·18 claims
- 4581US6858363B2Photoconductive imaging membersXEROX CORP·Filed 2003·Granted Feb 22, 2005·18 cites·42 claims
- 4681US5723179AMethod and composition for obtaining waterfast images from ink jet inksXEROX CORP·Filed 1997·Granted Mar 3, 1998·30 cites·27 claims
- 4781US5153313AProcesses for the preparation of phthalocyaninesXEROX CORP·Filed 1990·Granted Oct 6, 1992·28 cites·46 claims
- 4879US6287738B1Photoconductive imaging membersXEROX CORP·Filed 2000·Granted Sep 11, 2001·17 cites·56 claims
- 4977US7011916B2Naphthalene tetracarboxylic diimide dimersXEROX CORP·Filed 2004·Granted Mar 14, 2006·13 cites·8 claims
- 5076US6203963B1Particulate surface treatment processXEROX CORP·Filed 2000·Granted Mar 20, 2001·12 cites·18 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →