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Weimei Luo
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Louisville, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Shaped charge generation layer for a photoconductive drum
Patent number
11,256,185
Issue date
Feb 22, 2022
Lexmark International, Inc.
Matthew David Heid
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for a shaped charge generation layer for photoconductive drum
Patent number
11,249,406
Issue date
Feb 15, 2022
Lexmark International, Inc.
Matthew David Heid
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charge transport molecule having hydrogen for an overcoat of a phot...
Patent number
10,761,443
Issue date
Sep 1, 2020
Lexmark International, Inc.
Weimei Luo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Overcoat for a photoconductor with tetrafunctional radical polymeri...
Patent number
10,732,528
Issue date
Aug 4, 2020
Lexmark International, Inc.
Weimei Luo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic photoconductor drum having an overcoat containing nano meta...
Patent number
10,691,032
Issue date
Jun 23, 2020
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method to make a photoconductor drum having an overcoat using a dua...
Patent number
10,684,566
Issue date
Jun 16, 2020
Lexmark International, Inc.
Weimei Luo
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Photoconductor overcoat having a charge transport molecule with fou...
Patent number
10,684,565
Issue date
Jun 16, 2020
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Organic photoconductor drum having an overcoat containing nano meta...
Patent number
10,678,153
Issue date
Jun 9, 2020
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for curing an overcoat in a photoconductor used in an electr...
Patent number
10,620,555
Issue date
Apr 14, 2020
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method to make a photoconductor drum having an overcoat using a dua...
Patent number
10,571,818
Issue date
Feb 25, 2020
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for curing an overcoat in a photoconductor used in an electr...
Patent number
10,571,817
Issue date
Feb 25, 2020
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor having protective overcoat layer with a charge trans...
Patent number
10,495,991
Issue date
Dec 3, 2019
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor having protective overcoat layer with a charge trans...
Patent number
10,481,512
Issue date
Nov 19, 2019
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method to make a photoconductor having an overcoat with tetrafuncti...
Patent number
10,331,051
Issue date
Jun 25, 2019
Lexmark International, Inc.
Weimei Luo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic photoconductor drum having an overcoat containing nano meta...
Patent number
10,317,810
Issue date
Jun 11, 2019
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method to make a photoconductor drum having an overcoat using a dua...
Patent number
10,289,014
Issue date
May 14, 2019
Lexmark International, Inc.
Weimei Luo
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method for curing an overcoat in a photoconductor used in an electr...
Patent number
10,289,013
Issue date
May 14, 2019
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method to make a photoconductor having an overcoat with tetrafuncti...
Patent number
9,927,727
Issue date
Mar 27, 2018
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor overcoat having a radical polymerizable charge trans...
Patent number
9,513,591
Issue date
Dec 6, 2016
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Overcoat formulation for long-life electrophotographic photoconduct...
Patent number
9,448,497
Issue date
Sep 20, 2016
Lexmark International, Inc.
Mark Thomas Bellino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photo conductor overcoat comprising radical polymerizable charge tr...
Patent number
9,417,537
Issue date
Aug 16, 2016
Lexmark International, Inc.
Mark Thomas Bellino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photo conductor overcoat comprising radical polymerizable charge tr...
Patent number
9,417,538
Issue date
Aug 16, 2016
Lexmark International, Inc.
Mark Thomas Bellino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor overcoat having radical polymerizable charge transpo...
Patent number
9,360,822
Issue date
Jun 7, 2016
Lexmark International, Inc.
David Glenn Black
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photo conductor overcoat comprising radical polymerizable charge tr...
Patent number
8,940,466
Issue date
Jan 27, 2015
Lexmark International, Inc.
Mark Thomas Bellino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor having a spectral marker and elec...
Patent number
8,178,265
Issue date
May 15, 2012
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control of crazing, cracking or crystallization of a charge transpo...
Patent number
7,955,769
Issue date
Jun 7, 2011
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor formulation containing boron nitride
Patent number
7,920,805
Issue date
Apr 5, 2011
Lexmark International, Inc.
Mark Thomas Bellino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control of crazing, cracking or crystallization of a charge transpo...
Patent number
7,642,027
Issue date
Jan 5, 2010
Lexmark International, Inc.
James Alan Hartman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrophotographic photoconductor containing fluorenyl-azine deriv...
Patent number
6,432,597
Issue date
Aug 13, 2002
Lexmark International, Inc.
Gregory Walter Haggquist
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductors and charge generation layers comprising polymeric h...
Patent number
6,265,124
Issue date
Jul 24, 2001
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230416873
Publication date
Dec 28, 2023
Lexmark International, Inc.
DINESH TYAGI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230374626
Publication date
Nov 23, 2023
Lexmark International, Inc.
WEIMEI LUO
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230374380
Publication date
Nov 23, 2023
Lexmark International, Inc.
DINESH TYAGI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ENVIRONMENTALLY FRIENDLY PROCESS TO OPTIMIZE COPPER DISSOLUTION AND...
Publication number
20230374625
Publication date
Nov 23, 2023
Lexmark International, Inc.
WEIMEI LUO
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20230152744
Publication date
May 18, 2023
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20230152721
Publication date
May 18, 2023
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20230152722
Publication date
May 18, 2023
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20230152723
Publication date
May 18, 2023
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20230066324
Publication date
Mar 2, 2023
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230060882
Publication date
Mar 2, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230058033
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230055807
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230060102
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230055873
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230051626
Publication date
Feb 16, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SIMPLIFIED METHOD OF GOLD RECOVERY FROM ELECTRONIC WASTE
Publication number
20220235433
Publication date
Jul 28, 2022
Lexmark International, Inc.
JODI LYNN WALSH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SIMPLIFIED METHOD OF GOLD RECOVERY FROM ELECTRONIC WASTE
Publication number
20220235434
Publication date
Jul 28, 2022
Lexmark International, Inc.
JODI LYNN WALSH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SHAPED CHARGE GENERATION LAYER FOR A PHOTOCONDUCTIVE DRUM
Publication number
20220026820
Publication date
Jan 27, 2022
Lexmark International, Inc.
MATTHEW DAVID HEID
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SHAPED CHARGE GENERATION LAYER FOR A PHOTOCONDUCTIVE DRUM
Publication number
20210124278
Publication date
Apr 29, 2021
Lexmark International, Inc.
MATTHEW DAVID HEID
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SHAPED CHARGE GENERATION LAYER FOR PHOTOCONDUCTIVE DRUM
Publication number
20210124277
Publication date
Apr 29, 2021
Lexmark International, Inc.
MATTHEW DAVID HEID
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGE TRANSPORT MOLECULE HAVING HYDROGEN FOR AN OVERCOAT OF A PHOT...
Publication number
20190271925
Publication date
Sep 5, 2019
Lexmark International, Inc.
WEIMEI LUO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES
Publication number
20190271936
Publication date
Sep 5, 2019
Lexmark International, Inc.
WEIMEI LUO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OVERCOAT FOR A PHOTOCONDUCTOR WITH TETRAFUNCTIONAL RADICAL POLYMERI...
Publication number
20190271923
Publication date
Sep 5, 2019
Lexmark International, Inc.
WEIMEI LUO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOCONDUCTOR HAVING AN OVERCOAT WITH TETRAFUNCTIONAL RADICAL POLY...
Publication number
20190271924
Publication date
Sep 5, 2019
Lexmark International, Inc.
WEIMEI LUO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20190258182
Publication date
Aug 22, 2019
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20190137896
Publication date
May 9, 2019
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20190137897
Publication date
May 9, 2019
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES
Publication number
20190137924
Publication date
May 9, 2019
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR HAVING PROTECTIVE OVERCOAT LAYER WITH A CHARGE TRANS...
Publication number
20180364599
Publication date
Dec 20, 2018
Lexmark International, Inc.
DAVID GLENN BLACK
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT HAVING A CHARGE TRANSPORT MOLECULE WITH FOU...
Publication number
20180341189
Publication date
Nov 29, 2018
Lexmark International, Inc.
DAVID GLENN BLACK
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY