Inventor · disambiguated record
Roger D. Masham
Also filed as: MASHAM ROGER D · MASHAM ROGER DEREK
14 granted patents·2 pending applications·111 citations·filing 1977–2007
92Inventor score
Files withXEROX CORP16
Top patents by PatentIndex Score
16 records- 0172US6505013B1System and method for extending the life of a charge receptor in a xerographic printerXEROX CORP·Filed 2000·Granted Jan 7, 2003·14 cites·24 claims
- 0272US5933696APhotoreceptor with internal waste toner containerXEROX CORP·Filed 1997·Granted Aug 3, 1999·28 cites·5 claims
- 0370US6422984B1Magnetic roll for use in xerographic printingXEROX CORP·Filed 2000·Granted Jul 23, 2002·12 cites·8 claims
- 0464US7919962B2Magnet scanning device that scans a cylindrical magnet along a helical pathXEROX CORP·Filed 2007·Granted Apr 5, 2011·5 cites·14 claims
- 0560US6687479B2Paper input guide for a transfer zone in a xerographic printing apparatusXEROX CORP·Filed 2002·Granted Feb 3, 2004·8 cites·22 claims
- 0659US4806971AMagnet for use in a magnetic brush development apparatusXEROX CORP·Filed 1988·Granted Feb 21, 1989·11 cites·7 claims
- 0757US4161359AApparatus for synchronizing movement between an optical scanning system and an imaging memberXEROX CORP·Filed 1977·Granted Jul 17, 1979·4 cites·6 claims
- 0856US6876829B2Xerographic printing system with magnetic seal between development and transferXEROX CORP·Filed 2003·Granted Apr 5, 2005·6 cites·6 claims
- 0955US7801455B2Architecture for a multi toner printing systemXEROX CORP·Filed 2007·Granted Sep 21, 2010·1 cites·5 claims
- 1053US7881637B2Method and apparatus for controlling multiple color developers using a camming mechanismXEROX CORP·Filed 2007·Granted Feb 1, 2011·1 cites·16 claims
- 1150US5111246AElectrostatographic machineXEROX CORP·Filed 1990·Granted May 5, 1992·9 cites·2 claims
- 1244US7809311B2Camming method and apparatus for controlling color developers for non-contact developmentXEROX CORP·Filed 2007·Granted Oct 5, 2010·0 cites·15 claims
- 1344US4913448ASealing arrangementXEROX CORP·Filed 1988·Granted Apr 3, 1990·6 cites·4 claims
- 1439US2009116878A1Color switching architectureXEROX CORP·Filed 2007·Application pending·0 cites
- 1536US2002128137A1Magnetic roll for use in xerographic printing, and method of making thereofXEROX CORP·Filed 2002·Application pending·0 cites
- 1635US4570570AMixing device for particulate materialXEROX CORP·Filed 1984·Granted Feb 18, 1986·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →