JJ

Joannes N. M. de Jong

Xerox: 25 patents #542 of 8,622Top 7%
SP Sperry: 4 patents #87 of 841Top 15%
📍 Gomorrah, MA: #1 of 3 inventorsTop 35%
🗺 Massachusetts: #3,078 of 88,656 inventorsTop 4%
Overall (All Time): #125,406 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
9211736 System and method for reducing electrostatic fields underneath print heads in an electrostatic media transport Gerald M. Fletcher, Peter J. Knausdorf, Steven R. Moore, Palghat S. Ramesh 2015-12-15
9132673 Semi-conductive media transport for electrostatic tacking of media Gerald M. Fletcher, Palghat S. Ramesh, Peter J. Knausdorf 2015-09-15
9033200 Method and device for controlling tension applied to a media web Paul S. Bonino 2015-05-19
9004629 Image quality by printing frequency adjustment using belt surface velocity measurement Barry P. Mandel 2015-04-14
8998403 Media tacking to media transport using a media tacking belt Gerald M. Fletcher, Peter J. Knausdorf 2015-04-07
8947482 Active biased electrodes for reducing electrostatic fields underneath print heads in an electrostatic media transport Palghat S. Ramesh, Gerald M. Fletcher 2015-02-03
8899583 Tracking in belt on belt architecture through self-alignment Barry P. Mandel 2014-12-02
8863939 Surface roughness for improved vacuum pressure for efficient media hold-down performance Elias Panides, Ruddy Castillo, Lloyd A. Williams, Liang-Bih Lin, Bin Zhang 2014-10-21
8840214 Excessive substrate media height detection in a printing apparatus Thomas J. Wyble 2014-09-23
8840241 System and method for adjusting an electrostatic field in an inkjet printer Gerald M. Fletcher, Peter J. Knausdorf 2014-09-23
8827406 Motion quality of a transfix nip by media thickness and/or skew feedforward to nip motor torque Barry P. Mandel 2014-09-09
8737906 Substrate media height measurement system and method Thomas J. Wyble 2014-05-27
8696104 Motion quality improvement by feed-forward torque control of imaging drum Roger G. Leighton 2014-04-15
8469476 Substrate media registration system and method in a printing system Barry P. Mandel, Injae Choi, Marina L. Tharayil, Dusan G. Lysy, Lloyd A. Williams 2013-06-25
8366105 Motion quality by automatic velocity match between upstream and downstream transports 2013-02-05
8322717 Motion quality by handoff force control between upstream and downstream transports Steven R. Moore, Peter J. Knausdorf 2012-12-04
8109508 Method and system for determining improved correction profiles for sheet registration Lloyd A. Williams 2012-02-07
7717533 Systems and methods for medium registration Vittorio Castelli, Daniel C. Park, Lloyd A. Williams 2010-05-18
7647018 Printing system Steven R. Moore, Matthew Dondiego, Vittorio Castelli, Lloyd A. Williams 2010-01-12
7593684 Systems and methods for medium registration Vittorio Castelli, Daniel C. Park, Lloyd A. Williams 2009-09-22
6725101 Method and apparatus for using fast fourier transform feedback to compensate for non-linear motion Rene Sanchez, Lloyd A. Williams, Vincent M. Williams, Daniel W. Costanza 2004-04-20
6400913 Control registration and motion quality of a tandem xerographic machine using transfuse Lloyd A. Williams 2002-06-04
5287162 Method and apparatus for correction of color registration errors Vittorio Castelli, Harold M. Anderson, Lloyd A. Williams 1994-02-15
5270630 Method and apparatus for antirotation encoder interfaces Vittorio Castelli, James M. Casella, Lloyd A. Williams 1993-12-14
5138564 Automatic encoder calibration Barry M. Wolf 1992-08-11