P

Inventor

THOMPSON MICHAEL D

US51 patents
⚠️ This page may combine multiple inventors who share the name “THOMPSON MICHAEL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XEROX CORP

26 patents
US7177572B2Feb 13, 2007

Biased charge roller with embedded electrodes with post-nip breakdown to enable improved charge uniformity

XEROX CORP53 citations96
US7058325B2Jun 6, 2006

Systems and methods for correcting banding defects using feedback and/or feedforward control

XEROX CORP61 citations96
US4901114AFeb 13, 1990

Tri level xerography using a MICR toner in combination with a non-MICR toner

XEROX CORP69 citations96
US7120369B2Oct 10, 2006

Method and apparatus for correcting non-uniform banding and residual toner density using feedback control

XEROX CORP40 citations93
US6351623B1Feb 26, 2002

Toner dispensing apparatus employing a traveling wave transport grid

XEROX CORP25 citations93
US6134412AOct 17, 2000

Method for loading dry xerographic toner onto a traveling wave grid

XEROX CORP38 citations93
US6112044AAug 29, 2000

Integrated toner transport/toner charging device

XEROX CORP19 citations93
US6175707B1Jan 16, 2001

Integrated toner transport/toner charging device

XEROX CORP23 citations92
US6137979AOct 24, 2000

Toner transport using superimposed traveling electric potential waves

XEROX CORP31 citations92
US6070036AMay 30, 2000

Multizone method for xerographic powder development: voltage signal approach

XEROX CORP25 citations92
US7283143B2Oct 16, 2007

Measurement and control of high frequency banding in a marking system

XEROX CORP14 citations84
US5473414ADec 5, 1995

Cleaning commutator brushes for an electroded donor roll

XEROX CORP9 citations74
US5327169AJul 5, 1994

Masked magnetic brush direct writing for high speed and color printing

XEROX CORP16 citations74
US6606477B2Aug 12, 2003

Method to control pre- and post-nip fields for transfer

XEROX CORP10 citations73
US4627717ADec 9, 1986

Cleaning apparatus for a xerographic reproducing apparatus

XEROX CORP12 citations73
US8789925B1Jul 29, 2014

Method and apparatus for printing of magnetic inks

XEROX CORP3 citations63
US6477351B1Nov 5, 2002

Blade cleaning system employing an electrode array

XEROX CORP4 citations63
US5953571ASep 14, 1999

Apparatus and method for loading a donor member

XEROX CORP6 citations63
US4727823AMar 1, 1988

Magnetic roll structure for transporting single component magnetic developer

XEROX CORP5 citations62
US4637340AJan 20, 1987

Developer metering structure

XEROX CORP6 citations62
US7309556B2Dec 18, 2007

Black toner and developer

XEROX CORP4 citations58
US7933540B2Apr 26, 2011

Trimming system for stabilizing image quality for high performance magnetic brush development

XEROX CORP0 citations52
US4567848AFeb 4, 1986

Agitator structure for breaking up agglomerated developer in a developer sump

XEROX CORP1 citations51
US7869721B2Jan 11, 2011

Apparatus and method for detecting carrier particles in an electrophotographic device

XEROX CORP0 citations45
US7406279B2Jul 29, 2008

Xerographic developer unit having multiple magnetic brush rolls rotating with the photoreceptor

XEROX CORP0 citations41
US7366453B2Apr 29, 2008

Xerographic developer unit having multiple magnetic brush rolls rotating against the photoreceptor

XEROX CORP0 citations39

FIBROGEN INC

10 patents

THOMPSON MICHAEL D

5 patents

ADVANCED MICRO DEVICES INC

2 patents

KOVACS GREGORY JOSEPH

1 patent

FEROX LLC

1 patent

BRISTOL MYERS CO

1 patent

AVENTIS PHARM PROD INC

1 patent

LIGHT SOURCE ELECTRICAL EQUIP

1 patent

THAYER BRUCE EARL

1 patent

CARUTHERS EDWARD B

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.