Inventor
CAO JICHANG
US40 patents
⚠️ This page may combine multiple inventors who share the name “CAO JICHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
31 patentsUS6823150B1Nov 23, 2004
Backup roller temperature prediction and control for fuser
LEXMARK INT INC19 citations92
US6111230AAug 29, 2000
Method and apparatus for supplying AC power while meeting the European flicker and harmonic requirements
LEXMARK INT INC76 citations92
US6927368B2Aug 9, 2005
Method and apparatus for controlling power to a heater element using dual pulse width modulation control
LEXMARK INT INC38 citations91
US9874838B1Jan 23, 2018
System and method for controlling a fuser assembly of an electrophotographic imaging device
LEXMARK INT INC8 citations84
US9709936B1Jul 18, 2017
Control for a fuser of an electrophotographic imaging device which determines current line voltage
LEXMARK INT INC8 citations79
US7187899B2Mar 6, 2007
Fuser having reduced axial temperature droop
LEXMARK INT INC9 citations73
US6118969ASep 12, 2000
Electrophotographic fuser roll having distributed thermal mass
LEXMARK INT INC14 citations73
US9575453B1Feb 21, 2017
System and method for controlling media bubble formation in an imaging device
LEXMARK INT INC5 citations72
US9639038B1May 2, 2017
Power management and control for a fuser of an electrophotographic imaging device
LEXMARK INT INC5 citations71
US10274876B2Apr 30, 2019
Heater member for the fuser assembly of an electrophotographic imaging device
LEXMARK INT INC4 citations70
US7276674B2Oct 2, 2007
Component for an image forming apparatus with designed thermal response
LEXMARK INT INC3 citations62
US7236732B2Jun 26, 2007
Toner image fixing apparatus having concentrated area heating
LEXMARK INT INC3 citations62
US10452010B2Oct 22, 2019
Fuser temperature control in an imaging device
LEXMARK INT INC1 citations61
US10429775B1Oct 1, 2019
Thermal control of fuser assembly in an imaging device
LEXMARK INT INC1 citations61
US8023851B2Sep 20, 2011
Method and printer assembly for consistent power control in fuser assembly of electrophotographic printer
LEXMARK INT INC3 citations61
US11067925B2Jul 20, 2021
Heater member for the fuser assembly of an electrophotographic imaging device
LEXMARK INT INC0 citations60
US7254351B2Aug 7, 2007
Method and apparatus for reducing sheet material curl induced in a fusing operation
LEXMARK INT INC2 citations60
US11828490B2Nov 28, 2023
Ceramic heater for heating water in an appliance
LEXMARK INT INC0 citations52
US10365594B2Jul 30, 2019
System and method for controlling a fuser assembly of an electrophotographic imaging device
LEXMARK INT INC0 citations52
US10061237B2Aug 28, 2018
System and method for controlling a fuser assembly of an electrophotographic imaging device
LEXMARK INT INC1 citations52
US7970316B2Jun 28, 2011
Method for advancing a media sheet through a nip in a media processing device
LEXMARK INT INC1 citations52
US7957661B2Jun 7, 2011
Control of overheating in an image fixing assembly
LEXMARK INT INC0 citations51
US10001732B2Jun 19, 2018
Power management and control for a fuser of an electrophotographic imaging device
LEXMARK INT INC1 citations50
US7914879B2Mar 29, 2011
Thick fusing belt for a color electrophotographic printer
LEXMARK INT INC0 citations50
US9880499B2Jan 30, 2018
Method and system for controlling a fuser of an electrophotographic imaging device
LEXMARK INT INC0 citations48
US9857742B2Jan 2, 2018
Method and system for controlling a fuser of an electrophotographic imaging device
LEXMARK INT INC0 citations48
US9835993B1Dec 5, 2017
Method and system for controlling a fuser of an electrophotographic imaging device
LEXMARK INT INC0 citations48
US10955776B1Mar 23, 2021
Power control for a fuser of an imaging device
LEXMARK INT INC0 citations44
US9354568B2May 31, 2016
Method and system for controlling a fuser assembly using temperature feedback
LEXMARK INT INC0 citations41
US10606196B2Mar 31, 2020
Fuser temperature control in an imaging device
LEXMARK INT INC0 citations40
US9740148B2Aug 22, 2017
Method and system for controlling a fuser assembly
LEXMARK INT INC0 citations40
CAO JICHANG
5 patentsUS8639169B2Jan 28, 2014
Belt fuser for an electrophotographic printer having tubular heating support member
CAO JICHANG5 citations69
US9098031B2Aug 4, 2015
Narrow media throughput control using temperature feedback
CAO JICHANG2 citations59
US8180240B2May 15, 2012
Color belt fuser warm-up time minimization
CAO JICHANG5 citations58
US8606159B2Dec 10, 2013
Fuser for an electrophotographic imaging device to maintain a high fuser belt temperature
CAO JICHANG0 citations50
US8200112B2Jun 12, 2012
Fuser assembly heater setpoint control
CAO JICHANG0 citations39
CAMPBELL THOMAS JUDSON
3 patentsUS8064816B2Nov 22, 2011
Printer including a fuser assembly with backup member temperature sensor
CAMPBELL THOMAS JUDSON7 citations79
US8175482B2May 8, 2012
Printer including a fuser assembly with backup member temperature sensor
CAMPBELL THOMAS JUDSON0 citations47
US8725017B2May 13, 2014
Fuser assembly heater temperature control
CAMPBELL THOMAS JUDSON0 citations36