Inventor
Eric W. Westerfield
Inventor
Versailles, KY, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters35%
G02BOptical elements, systems or apparatus18%
G03GElectrography15%
G06KGraphical data reading13%
H04NPictorial communication, e.g. television13%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light5%
H05KPrinted circuits3%
PatentTitleYear
9,001,403'Obtaining pressure of an operating environment of a bi-directionally scanning electrophotographic device for implementing corrections per pressure'20158,416,272'Methods and apparatus for ascertaining sensor signal delay in an electrophotographic device'20138,330,785'Laser power switching for alignment purposes in a laser printer'20128,203,588'Obtaining pressure of an operating environment of a bi-directionally scanning electrographic device for implementing corrections per pressure'20128,102,412'Calibrating a bi-directionally scanning electrophotographic device'20128,022,976'Laser power switching for alignment purposes in a laser printer'20117,817,178'Thermal compensation of bi-directional alignment in a bi-directional laser scanning unit'20107,817,179'Methods and apparatus for storing alignment information in a bi-directionally scanning electrophotographic device'20107,800,640'Obtaining pressure of an operating environment of a bi-directionally scanning electrophotographic device for implementing corrections per pressure'20107,738,006'Methods and apparatus for ascertaining sensor signal delay in an electrophotographic device'20107,643,525'Current driver and power control for electrophotographic devices'20107,605,834'White vector adjustment via exposure using two optical sources'20097,561,176'Laser power compensation in a scanning electrophotographic device'20097,403,215'Current driver and power control for electrophotographic devices'20087,248,280'Laser scanner having reduced air currents'20077,171,134'White vector adjustment via exposure'20077,016,198'Printed circuit board having outer power planes'20067,012,246'Multiple light beam imaging apparatus'20066,606,330'Laser drive compensation by duty cycle and power'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2015Patents assigned to LEXMARK INT INC (19)· patent assignee history
2003–2015Based in Versailles, KY, US· patent location history
2010Based in Verailles, KY, US· patent location history
2011Based in Versailies, KY, US· patent location history
2012–2015Patents assigned to MICKAN DAVID J (4)· patent assignee history
2012–2015Patents assigned to WESTERFIELD ERIC W (4)· patent assignee history
2012–2015Patents assigned to KLEMER DANIEL R (3)· patent assignee history
2012–2015Patents assigned to BUSH CRAIG P (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 19 | 2003–2015 |
| MICKAN DAVID J | 4 | 2012–2015 |
| WESTERFIELD ERIC Wself | 4 | 2012–2015 |
| KLEMER DANIEL R | 3 | 2012–2015 |
| BUSH CRAIG P | 2 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Versailles, KY, US | 17 | 2003–2015 |
| Versailies, KY, US | 1 | 2011 |
| Verailles, KY, US | 1 | 2010 |