Inventor

Chu-heng Liu

Inventor

Penfield, NY, US

Overview

1998–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 164 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary

B41JTypewriters20%

G03GElectrography19%

B41MPrinting, duplicating, marking, or copying processes10%

B41FPrinting machines or presses5%

B29CShaping or joining of plastics4%

H04NPictorial communication, e.g. television4%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering4%

C09DCoating compositions, e.g. paints, varnishes or lacquers4%

B41CProcesses for the manufacture or reproduction of printing surfaces3%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%

PatentTitleYear

10,875,241Electrostatic 3-D printer using layer and mechanical planer2020 10,857,798Cap and evaporative devices stabilizing ink in nozzles of inkjet printheads2020 10,821,731Cap and evaporative devices stabilizing ink in nozzles of inkjet printheads2020 10,814,631Inkjet printhead cap having rotatable panels2020 10,800,174Evaporative ink-blocking film devices stabilizing ink in nozzles of inkjet printheads2020 10,787,002System and device for attenuating curl in substrates printed by inkjet printers2020 10,780,716System and device for attenuating curl in substrates printed by inkjet printers2020 10,717,230Line laser imager for thermoplastic selective laser sintering2020 10,717,298System and method for improving character edge formation on non-absorbing media2020 10,710,370System and method for attenuating the drying of ink from a printhead during periods of printhead inactivity2020 10,703,092Self-advancing cleaner2020 10,696,052Submersion cap devices stabilizing ink in nozzles of inkjet printheads2020 10,688,717Electrostatic 3-D printer controlling layer topography using aerosol applicator2020 10,632,757System and method for attenuating the drying of ink from a printhead during idle periods2020 10,603,897Ink splitting multi-roll cleaner for a variable data lithography system2020 10,596,832Printer and dryer for drying images on coated substrates in aqueous ink printers2020 10,556,765Registration system with independent laterally adjustable nips2020 10,539,732System and method for image specific illumination of image printed on optical waveguide2020 10,518,556Integrated object packaging and holder for direct-to-object printer2019 10,518,537System and method for attenuating the drying of ink from a printhead2019 10,500,872Printer and dryer for drying images on coated substrates in aqueous ink printers2019 10,493,777Electric field generating transport member2019 10,477,034Digital image-paper registration error correction through image shear2019 10,457,070System for treating the surfaces of three-dimensional (3D) objects prior to printing the surfaces2019 10,442,214Waterless UV inkjet transfer system and method2019 10,427,421Printer and dryer for drying images on coated substrates in aqueous ink printers2019 10,377,147Object holder for a direct-to-object printer2019 10,369,744Electrostatic 3-D development apparatus using cold fusing2019 10,363,756System and method for de-skewing substrates and laterally registering images on the substrates in a printer2019 10,358,307Leading/trailing edge detection system having vacuum belt with perforations2019 10,350,912Printer and dryer for drying images on coated substrates in aqueous ink printers2019 10,336,060Coating for aqueous inkjet transfer2019 10,336,057Variable data marking direct to print media2019 10,331,109System and method to embed objects into structure using stereolithography2019 10,293,547Electrostatic 3-D printer using layer and mechanical planer2019 10,286,689UV printed transferrable materials2019 10,273,102Leading/trailing edge detection system having phosphorescent belt2019 10,214,026System and method for rotating a three-dimensional (3D) object during printing of the object2019 10,183,443Electrostatic 3-D printer controlling layer thickness using feedback loop to development device2019 10,168,279System and method for image specific illumination of image printed on optical waveguide2019 10,161,864System and method for image specific illumination of image printed on optical waveguide2018 10,155,401Waterless UV inkjet transfer system and method2018 10,154,158System for applying a mark to an object in an object holder of a direct-to-object printer2018 10,137,634Hybrid electrostatic 3-D printer using laser fusing2018 10,118,337Electrostatic 3-D printer controlling layer topography using aerosol applicator2018 10,112,412Object holder for a direct-to-object printer2018 10,086,626Registration system for a direct-to-object printer2018 10,086,625Integrated object packaging and holder for direct-to-object printer2018 10,082,460System and method for image specific illumination of image printed on optical waveguide2018 10,076,869Electrostatic 3-D printer using leveling material and mechanical planer2018 10,046,512Electro-photographic 3-D printing using dissolvable paper2018 10,040,250Electro-photographic 3-D printing using collapsible substrate2018 10,022,951Systems and methods for implementing a vapor condensation technique for delivering a uniform layer of dampening solution in an image forming device using a variable data digital lithographic printing process2018 10,016,972Coating for aqueous inkjet transfer2018 10,005,228Electrostatic 3-D printer controlling layer thickness using feedback loop to exposure device2018 10,005,230Electrostatic 3-D printer controlling layer thickness using feedback loop to transfer device2018 9,956,801Printing plates doped with release oil2018 9,927,626'System and method for lenticular image printing and print media'2018 9,796,171'Systems and methods for ink-based digital printing using dampening fluid imaging member and image transfer member'2017 9,752,042'Sacrificial coating compositions comprising polyvinyl alcohol and waxy starch'2017 9,688,079'System and method for image receiving surface treatment in an indirect inkjet printer'2017 9,639,050'Electrophotographic patterning of an image definition material'2017 9,616,653'Systems and methods for ink-based digital printing using dampening fluid imaging member and image transfer member'2017 9,604,471'System and method for operating an aqueous inkjet printer to coat media prior to printing images on the media with the aqueous inkjet printer'2017 9,592,699'Dampening fluid for digital lithographic printing'2017 9,566,800'Security pattern applied by selectively remelting ink within printed areas'2017 9,551,934'Imaging system with electrophotographic patterning of an image definition material and methods therefor'2017 9,463,649'Ink and media treatment to affect ink spread on media in an inkjet printer'2016 9,458,341'Sacrificial coating compositions comprising polyvinyl alcohol and waxy starch'2016 9,447,504'Method of etching using inkjet printing'2016 9,403,383'Ink and media treatment to affect ink spread on media treated with primer in an inkjet printer'2016 9,376,584'Coating for aqueous inkjet transfer'2016 9,353,290'Transfix surface member coating'2016 9,327,487'Variable lithographic printing process'2016 9,316,993'Electrophotographic patterning of an image definition material'2016 9,316,994'Imaging system with electrophotographic patterning of an image definition material and methods therefor'2016 9,303,185'Indirect printing apparatus employing sacrificial coating on intermediate transfer member'2016 9,284,469'Film-forming hydrophilic polymers for transfix printing process'2016 9,273,218'Coating for aqueous inkjet transfer'2016 9,267,646'Systems and methods for ink-based digital printing using a vapor condensation dampening fluid delivery system'2016 9,266,352'System and method for lenticular image printing and print media'2016 9,242,455'System and method for transfixing an aqueous ink in an image transfer system'2016 9,233,528'Methods for ink-based digital printing using imaging member surface conditioning fluid'2016 9,193,149'Aqueous ink jet blanket'2015 9,174,432'Wetting enhancement coating on intermediate transfer member (ITM) for aqueous inkjet intermediate transfer architecture'2015 9,157,001'Coating for aqueous inkjet transfer'2015 9,126,430'System and method for image receiving surface treatment in an indirect inkjet printer'2015 9,110,412'Methods and systems for generating differential gloss image by pre-heating marking material on a substrate'2015 9,096,055'Systems and methods for ink-based digital printing'2015 9,098,022'Method and apparatus for generating differential gloss image using laser energy'2015 9,073,357'Indirect inkjet printer and blower for treatment of a hydrophilic layer on an image receiving surface in the indirect inkjet printer'2015 9,073,360'Systems and methods for printing differential gloss image on packaging'2015 9,063,504'Systems and methods for printing differential gloss image on covered packaging'2015 9,056,452'Systems and methods for ink-based digital printing using variable data lithography inkjet imaging system'2015 9,056,495'System and method for imaging and evaluating coating on an imaging surface in an aqueous inkjet printer'2015 9,044,989'Systems and methods for forming and implementing book binding geometries as a function of stack thickness'2015 9,032,874'Dampening fluid deposition by condensation in a digital lithographic system'2015 8,985,757'Systems and methods for ink-based digital printing using image offset configuration'2015 8,978,575'Prints with temperature history tracking capability'2015 8,958,723'Systems and methods for ink-based digital printing using liquid immersion development'2015 8,950,322'Evaporative systems and methods for dampening fluid control in a digital lithographic system'2015 8,933,977'Methods and systems for generating differential gloss image useful for digital printing'2015 8,893,616'Ghost-free inking methods, apparatus, and systems with reduced fountain solution contamination'2014 8,840,238'Systems and methods for ink-based digital printing using imaging member and image transfer member'2014 8,833,254'Imaging system with electrophotographic patterning of an image definition material and methods therefor'2014 8,786,655'Marking material for laser glossing systems and methods'2014 8,777,396'System and method for imaging and evaluating printing parameters in an aqueous inkjet printer'2014 8,764,156'System and method for controlling dewpoint in a print zone within an inkjet printer'2014 8,735,043'Toner image stabilization processes'2014 8,416,499'Printed lenticules for lenticular printing'2013 8,368,964'Method for estimation of image defocus and defocus restoration'2013 8,189,197'Optical sensor for characterizing a substrate'2012 7,995,081'Anisotropically conductive backside addressable imaging belt for use with contact electrography'2011 7,855,565'Substrate characterization device and method for characterizing a substrate'2010 7,813,006'Enhancement of glossmark images at low and high densities with selective application of clear toner'2010 7,667,875'Textured HT screens for improved uniformity appearance'2010 7,623,271'Automatic grainy noise control for optimal macro uniformity appearance'2009 7,382,495'Reduction of differential gloss'2008 7,352,493'Enhancement of glossmark images at low and high densities'2008 7,304,770'Reduction of differential gloss with halftoned clear toner'2007 7,301,675'Glossmark images with clear toner'2007 7,283,143'Measurement and control of high frequency banding in a marking system'2007 7,193,751'Tag control for runtime glossmarks'2007 7,180,635'Halftone image gloss control for glossmarks'2007 7,160,661'Emulsion aggregation toner having gloss enhancement and toner release'2007 7,148,999'Variable glossmark'2006 7,126,721'Protecting printed items intended for public exchange with glossmarks'2006 7,092,128'Application of glossmarks for graphics enhancement'2006 6,785,483'Systems and methods incorporating job scheduling to extend the lifetime of an ink sump'2004 6,775,499'System and method for contact electrostatic printing'2004 6,621,998'Method and apparatus for formation and development of high solids content toner cake in an electrostatic printing system'2003 6,560,436'Electrodynamic transfer system'2003 6,553,205'System for toner cleaning'2003 6,438,332'Method and apparatus for toner cake delivery'2002 6,349,190'Low cost process multicolor image reproduction machine'2002 6,341,208'Absorbent coating for contact transfer of liquid toner images'2002 6,309,786'Release layer for contact transferring liquid immersion developed images'2001 6,311,035'Reprographic system operable for direct transfer of a developed image from an imaging member to a copy substrate'2001 6,289,191'Single pass, multicolor contact electrostatic printing system'2001 6,272,305'Apparatus for developing a latent image'2001 6,256,468'Toner cake delivery system having a carrier fluid separation surface'2001 6,233,420'System and method for enhancing latent image development'2001 6,219,501'Method and apparatus for toner cake delivery'2001 6,195,520'Method and apparatus for forming a uniform layer of liquid developer'2001 6,185,399'Multicolor image-on-image forming machine using air breakdown charge and development (ABCD) Process'2001 6,181,901'Multicolor image-on-image forming machine using reverse charge printing (RCP) process'2001 6,165,669'Release layer for contact transferring liquid immersion developed images'2000 6,127,077'Photoreceptors with delayed discharge'2000 6,120,965'Efficient contact transfer of liquid immersion developed images using an overlayer'2000 6,122,471'Method and apparatus for delivery of high solids content toner cake in a contact electrostatic printing system'2000 6,117,602'Electrostatic printing method and apparatus having enhanced image resolution characteristics'2000 6,068,960'Methods to prepare photoreceptors with delayed discharge'2000 6,049,683'Electrostatic printing method and apparatus having enhanced custom color characteristics'2000 6,020,099'Method and apparatus for forming and refining toner images in an electrostatic printing machine'2000 6,009,294'Addressable toner applicator and method and apparatus for enhancing custom color characteristics in a contact electrostatic printing apparatus'1999 6,006,061'Method and apparatus for forming high quality images in an electrostatic printing machine'1999 5,991,577'Air breakdown charge and development image forming method and apparatus using image area centered patches of toner'1999 5,991,578'Image forming reverse charge printing method and apparatus using image area centered patches of toner'1999 5,991,582'Method and apparatus for developing high quality images in a liquid immersion development machine'1999 5,987,283'Apparatus and method for developing an electrostatic latent image directly from an imaging member to a final substrate'1999 5,937,248'Contact electrostatic printing image forming method and apparatus using image area centered patch of tonerpatches of toner'1999 5,937,243'Image-wise toner layer charging via air breakdown for image development'1999 5,848,337'Electrical biasing scheme for preventing overplating in an image-on-image electrostatographic printing system'1998 5,826,147'Electrostatic latent image development'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2020Patents assigned to XEROX CORP (162)· patent assignee history

1998–1999Based in Webster, NY, US· patent location history

1999–2020Based in Penfield, NY, US· patent location history

2011–2018Patents assigned to PALO ALTO RES CT INC (9)· patent assignee history

2012–2017Patents assigned to LIU CHU-HENG (20)· patent assignee history

2014–2017Patents assigned to BIEGELSEN DAVID K (4)· patent assignee history

2014–2017Patents assigned to VERES JANOS (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	162	1998–2020
LIU CHU-HENGself	20	2012–2017
PALO ALTO RES CT INC	9	2011–2018
BIEGELSEN DAVID K	4	2014–2017
VERES JANOS	4	2014–2017

Locations

Location	Patents	Span
Penfield, New York, US	161	1999–2020
Webster, New York, US	3	1998–1999