Inventor · disambiguated record
Eric W. Westerfield
Also filed as: WESTERFIELD ERIC W · WESTERFIELD ERIC WAYNE
19 granted patents·1 pending application·63 citations·filing 2001–2012
92Inventor score
Top patents by PatentIndex Score
20 records- 0187US9001403B2Obtaining pressure of an operating environment of a bi-directionally scanning electrophotographic device for implementing corrections per pressureKLEMER DANIEL R·Filed 2012·Granted Apr 7, 2015·4 cites·12 claims
- 0278US7171134B2White vector adjustment via exposureLEXMARK INT INC·Filed 2004·Granted Jan 30, 2007·14 cites·32 claims
- 0377US8102412B2Calibrating a bi-directionally scanning electrophotographic deviceKLEMER DANIEL R·Filed 2006·Granted Jan 24, 2012·5 cites·16 claims
- 0475US7561176B2Laser power compensation in a scanning electrophotographic deviceLEXMARK INT INC·Filed 2006·Granted Jul 14, 2009·6 cites·20 claims
- 0575US7016198B2Printed circuit board having outer power planesLEXMARK INT INC·Filed 2003·Granted Mar 21, 2006·19 cites·31 claims
- 0671US8203588B2Obtaining pressure of an operating environment of a bi-directionally scanning electrographic device for implementing corrections per pressureKLEMER DANIEL R·Filed 2010·Granted Jun 19, 2012·2 cites·8 claims
- 0770US8022976B2Laser power switching for alignment purposes in a laser printerLEXMARK INT INC·Filed 2006·Granted Sep 20, 2011·3 cites·19 claims
- 0870US7817178B2Thermal compensation of bi-directional alignment in a bi-directional laser scanning unitLEXMARK INT INC·Filed 2006·Granted Oct 19, 2010·3 cites·14 claims
- 0957US7643525B2Current driver and power control for electrophotographic devicesLEXMARK INT INC·Filed 2007·Granted Jan 5, 2010·1 cites·20 claims
- 1052US7248280B2Laser scanner having reduced air currentsLEXMARK INT INC·Filed 2004·Granted Jul 24, 2007·5 cites·13 claims
- 1151US7738006B2Methods and apparatus for ascertaining sensor signal delay in an electrophotographic deviceLEXMARK INT INC·Filed 2006·Granted Jun 15, 2010·0 cites·16 claims
- 1250US7605834B2White vector adjustment via exposure using two optical sourcesLEXMARK INT INC·Filed 2007·Granted Oct 20, 2009·0 cites·24 claims
- 1349US7800640B2Obtaining pressure of an operating environment of a bi-directionally scanning electrophotographic device for implementing corrections per pressureLEXMARK INT INC·Filed 2006·Granted Sep 21, 2010·0 cites·21 claims
- 1446US8330785B2Laser power switching for alignment purposes in a laser printerLUND MARK EDWIN KIRTLEY·Filed 2011·Granted Dec 11, 2012·0 cites·18 claims
- 1546US7403215B2Current driver and power control for electrophotographic devicesLEXMARK INT INC·Filed 2006·Granted Jul 22, 2008·0 cites·20 claims
- 1646US2008218773A1Image scaling for an electrophotographic device to obtain various media output speedsLEXMARK INT INC·Filed 2007·Application pending·0 cites
- 1745US7012246B1Multiple light beam imaging apparatusLEXMARK INT INC·Filed 2004·Granted Mar 14, 2006·1 cites·4 claims
- 1841US6606330B2Laser drive compensation by duty cycle and powerLEXMARK INT INC·Filed 2001·Granted Aug 12, 2003·0 cites·4 claims
- 1940US7817179B2Methods and apparatus for storing alignment information in a bi-directionally scanning electrophotographic deviceLEXMARK INT INC·Filed 2006·Granted Oct 19, 2010·0 cites·8 claims
- 2038US8416272B2Methods and apparatus for ascertaining sensor signal delay in an electrophotographic deviceMICKAN DAVID J·Filed 2010·Granted Apr 9, 2013·0 cites·19 claims
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