Inventor · disambiguated record
Ralph A. Shoemaker
Also filed as: SHOEMAKER RALPH A
25 granted patents·559 citations·filing 1984–2008
97Inventor score
Files withXEROX CORP25
Top patents by PatentIndex Score
25 records- 0194US6940613B1System for managing replaceable modules in a digital printing apparatusXEROX CORP·Filed 1997·Granted Sep 6, 2005·67 cites·22 claims
- 0288US7773239B2System for managing replaceable modules in a digital printing apparatusXEROX CORP·Filed 2008·Granted Aug 10, 2010·8 cites·1 claims
- 0388US5966573ASeamed flexible electrostatographic imaging belt having a permanent localized solid attributeXEROX CORP·Filed 1998·Granted Oct 12, 1999·43 cites·21 claims
- 0486US6016204AActuator performance indicatorXEROX CORP·Filed 1998·Granted Jan 18, 2000·40 cites·30 claims
- 0586US5946521AXerographic xerciser including a hierarchy system for determining part replacement and failureXEROX CORP·Filed 1998·Granted Aug 31, 1999·39 cites·32 claims
- 0684US5903796AP/R process control patch uniformity analyzerXEROX CORP·Filed 1998·Granted May 11, 1999·34 cites·17 claims
- 0783US6438329B1Method and apparatus for automatic customer replaceable unit (CRU) setup and cleaner blade lubricationXEROX CORP·Filed 1998·Granted Aug 20, 2002·33 cites·3 claims
- 0880US6792220B2Dual density gray patch toner controlXEROX CORP·Filed 2003·Granted Sep 14, 2004·20 cites·8 claims
- 0980US5078497ADensitometer for a liquid developer materialXEROX CORP·Filed 1989·Granted Jan 7, 1992·45 cites·18 claims
- 1076US7649638B2System for managing replaceable modules in a digital printing apparatusXEROX CORP·Filed 2003·Granted Jan 19, 2010·12 cites·6 claims
- 1175US6198885B1Non-uniform development indicatorXEROX CORP·Filed 1998·Granted Mar 6, 2001·24 cites·14 claims
- 1275US5895141ASensorless TC controlXEROX CORP·Filed 1998·Granted Apr 20, 1999·24 cites·14 claims
- 1372US5083161ADensitometer for measuring developabilityXEROX CORP·Filed 1989·Granted Jan 21, 1992·30 cites·32 claims
- 1470US7515843B2Color mis-registration measurement using an infra-red color density sensorXEROX CORP·Filed 2005·Granted Apr 7, 2009·3 cites·16 claims
- 1568US5519497AControl develop mass in a color systemXEROX CORP·Filed 1994·Granted May 21, 1996·30 cites·15 claims
- 1666US5960228ADirt level early warning systemXEROX CORP·Filed 1998·Granted Sep 28, 1999·17 cites·18 claims
- 1765US5995775AROS pixel size growth detectorXEROX CORP·Filed 1998·Granted Nov 30, 1999·16 cites·12 claims
- 1863US4638986AFeedability sensor for a vacuum corrugated feederXEROX CORP·Filed 1984·Granted Jan 27, 1987·13 cites·18 claims
- 1959US5864730APhotoreceptor seam signatureXEROX CORP·Filed 1998·Granted Jan 26, 1999·13 cites·8 claims
- 2056US6081348ARos beam failure detectorXEROX CORP·Filed 1998·Granted Jun 27, 2000·19 cites·15 claims
- 2153US5893008APhotoreceptor parking deletion detectorXEROX CORP·Filed 1998·Granted Apr 6, 1999·10 cites·8 claims
- 2250US4831410AAutomatic exposure control system for flash exposure photocopiersXEROX CORP·Filed 1988·Granted May 16, 1989·8 cites·4 claims
- 2348US6606463B2Optical toner concentration sensorXEROX CORP·Filed 2001·Granted Aug 12, 2003·4 cites·12 claims
- 2442US5963761AArea coverage sensor calibration and algorithm for seam detection noise eliminator on a seamed photoreceptorXEROX CORP·Filed 1999·Granted Oct 5, 1999·5 cites·1 claims
- 2534US5956542ATribo decay rest recovery and developer material break in procedureXEROX CORP·Filed 1998·Granted Sep 21, 1999·2 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →