Inventor
DIRUBIO CHRISTOPHER A
US22 patents
⚠️ This page may combine multiple inventors who share the name “DIRUBIO CHRISTOPHER A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
15 patentsUS7177572B2Feb 13, 2007
Biased charge roller with embedded electrodes with post-nip breakdown to enable improved charge uniformity
XEROX CORP53 citations96
US7141761B1Nov 28, 2006
Printing device heating element and method of use thereof
XEROX CORP27 citations92
US6611665B2Aug 26, 2003
Method and apparatus using a biased transfer roll as a dynamic electrostatic voltmeter for system diagnostics and closed loop process controls
XEROX CORP29 citations92
US8801171B2Aug 12, 2014
System and method for image surface preparation in an aqueous inkjet printer
XEROX CORP6 citations84
US7242894B2Jul 10, 2007
Xerographic transfer station using a belt
XEROX CORP11 citations84
US7236711B2Jun 26, 2007
Full-width array sensing of two-dimensional residual mass structure to enable mitigation of specific defects
XEROX CORP15 citations84
US6606477B2Aug 12, 2003
Method to control pre- and post-nip fields for transfer
XEROX CORP10 citations73
US7805101B2Sep 28, 2010
Multi-color printing system and method for high toner pile height printing
XEROX CORP2 citations63
US7747210B2Jun 29, 2010
Multi-color printing system and method for high toner pile height printing
XEROX CORP3 citations63
US7509076B2Mar 24, 2009
Squarewave charging of a photoreceptor
XEROX CORP3 citations63
US7447452B2Nov 4, 2008
Method and system for improving electrophotographic run cost through cyclic efficiency of the charging device
XEROX CORP5 citations63
US7072599B2Jul 4, 2006
Control system for a xerographic transfer station using a belt
XEROX CORP2 citations63
US7190913B2Mar 13, 2007
Toner monitoring systems and methods
XEROX CORP3 citations61
US9205676B2Dec 8, 2015
System and method for image surface preparation in an aqueous inkjet printer
XEROX CORP0 citations52
US7593654B2Sep 22, 2009
Mass-based sensing of charging knee for active control of charger settings
XEROX CORP1 citations52
DIRUBIO CHRISTOPHER A
4 patentsUS8306443B2Nov 6, 2012
Multi-color printing system and method for reducing the transfer field through closed-loop controls
DIRUBIO CHRISTOPHER A6 citations71
US9170518B2Oct 27, 2015
Method and system for closed-loop control of nip width and image transfer field uniformity for an image transfer system
DIRUBIO CHRISTOPHER A2 citations59
US8180231B1May 15, 2012
Testing transfer nips of printing devices using transfer field uniformity maps
DIRUBIO CHRISTOPHER A0 citations49
US8200136B2Jun 12, 2012
Image transfer roller (ITR) utilizing an elastomer crown
DIRUBIO CHRISTOPHER A0 citations38