Maruo Keiji

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
- Patent number 10,732,526
- Issue date Aug 4, 2020
- Kyocera Document Solutions Inc.
- Tomofumi Shimizu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
- Patent number 10,649,351
- Issue date May 12, 2020
- Kyocera Document Solutions Inc.
- Tomofumi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
- Patent number 10,295,918
- Issue date May 21, 2019
- Kyocera Document Solutions Inc.
- Tomofumi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
- Patent number 10,241,428
- Issue date Mar 26, 2019
- Kyocera Document Solutions Inc.
- Tomofumi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
- Patent number 10,191,397
- Issue date Jan 29, 2019
- Kyocera Document Solutions Inc.
- Keiji Maruo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
- Patent number 9,829,811
- Issue date Nov 28, 2017
- Kyocera Document Solutions Inc.
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member
- Patent number 9,448,496
- Issue date Sep 20, 2016
- Kyocera Document Solutions Inc.
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member and image forming apparatus
- Patent number 9,436,104
- Issue date Sep 6, 2016
- Kyocera Document Solutions Inc.
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member and image forming apparatus
- Patent number 9,256,144
- Issue date Feb 9, 2016
- Kyocera Document Solutions Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Monolayer type photoconductor and image forming device
- Patent number 9,141,007
- Issue date Sep 22, 2015
- Kyocera Mita Corporation
- Kazunari Hamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Azoquinone compound, electrophotographic photoconductor, and image...
- Patent number 9,023,564
- Issue date May 5, 2015
- Kyocera Document Solutions Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multilayer electrophotographic photoconductor and image-forming app...
- Patent number 8,877,411
- Issue date Nov 4, 2014
- Kyocera Document Solutions Inc.
- Azuma Jun
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multilayer type electrophotographic photoconductor and image formin...
- Patent number 8,765,337
- Issue date Jul 1, 2014
- Kyocera Mita Corporation
- Keiji Maruo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Oxo-titanylphthalocyanine crystal, method for producing the same an...
- Patent number 8,686,133
- Issue date Apr 1, 2014
- Kyocera Document Solutions Inc.
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus
- Patent number 8,679,710
- Issue date Mar 25, 2014
- Kyocera Document Solutions Inc.
- Daisuke Kuboshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Oxo-titanylphthalocyanine crystal, method for producing the same, a...
- Patent number 8,242,261
- Issue date Aug 14, 2012
- Kyocera Mita Corporation
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electrophotographic photoconductor and image-forming apparatus
- Patent number 7,700,251
- Issue date Apr 20, 2010
- Kyocera Mita Corporation
- Norio Nakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20240353771
- Publication date Oct 24, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yuko IWASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20240353792
- Publication date Oct 24, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yuko IWASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20240353772
- Publication date Oct 24, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yuko IWASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20240117109
- Publication date Apr 11, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Jun AZUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20240103389
- Publication date Mar 28, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Jun AZUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20220342326
- Publication date Oct 27, 2022
- KYOCERA DOCUMENT SOLUTIONS INC.
- Jun AZUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20220308472
- Publication date Sep 29, 2022
- KYOCERA DOCUMENT SOLUTIONS INC.
- Jun AZUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20190354027
- Publication date Nov 21, 2019
- KYOCERA DOCUMENT SOLUTIONS INC.
- Tomofumi SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20190332023
- Publication date Oct 31, 2019
- KYOCERA DOCUMENT SOLUTIONS INC.
- Tomofumi SHIMIZU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20180046098
- Publication date Feb 15, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Tomofumi SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20180046100
- Publication date Feb 15, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Keiji MARUO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20180046101
- Publication date Feb 15, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Tomofumi SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20170003608
- Publication date Jan 5, 2017
- KYOCERA DOCUMENT SOLUTIONS INC.
- Jun AZUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20150338754
- Publication date Nov 26, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Jun AZUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS
- Publication number 20150037069
- Publication date Feb 5, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS
- Publication number 20140356773
- Publication date Dec 4, 2014
- KYOCERA DOCUMENTS SOLUTIONS, INC.
- Jun AZUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
AZOQUINONE COMPOUND, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE...
- Publication number 20140295335
- Publication date Oct 2, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Oxo-Titanylphthalocyanine Crystal, Method for Producing the Same an...
- Publication number 20120296082
- Publication date Nov 22, 2012
- KYOCERA MITA CORPORATION
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTILAYER ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE-FORMING APP...
- Publication number 20120052425
- Publication date Mar 1, 2012
- KYOCERA MITA CORPORATION
- Azuma Jun
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Oxo-titanylphthalocyanine crystal, method for producing the same, a...
- Publication number 20110046392
- Publication date Feb 24, 2011
- KYOCERA MITA CORPORATION
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MONOLAYER TYPE PHOTOCONDUCTOR AND IMAGE FORMING DEVICE
- Publication number 20080305418
- Publication date Dec 11, 2008
- Kyocera Mita Corporation
- Kazunari Hamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor and image forming apparatus
- Publication number 20080050666
- Publication date Feb 28, 2008
- Junichiro Otsubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Oxo-titanylphthalocyanine crystal, method for producing the same, a...
- Publication number 20080026310
- Publication date Jan 31, 2008
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Multilayer type electrophotographic photoconductor and image formin...
- Publication number 20070281227
- Publication date Dec 6, 2007
- Keiji Maruo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor and image-forming apparatus
- Publication number 20070111118
- Publication date May 17, 2007
- Norio Nakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor and manufacturing method of elec...
- Publication number 20070077507
- Publication date Apr 5, 2007
- Junichiro Otsubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus
- Publication number 20060141377
- Publication date Jun 29, 2006
- KYOCERA MITA CORPORATION
- Daisuke Kuboshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Maruo Keiji

Person

Patents Grantslast 30 patents

Electrophotographic photosensitive member, process cartridge, and i...

Electrophotographic photosensitive member, process cartridge, and i...

Electrophotographic photosensitive member, process cartridge, and i...

Electrophotographic photosensitive member, process cartridge, and i...

Electrophotographic photosensitive member, process cartridge, and i...

Electrophotographic photosensitive member, process cartridge, and i...

Electrophotographic photosensitive member

Electrophotographic photosensitive member and image forming apparatus

Electrophotographic photosensitive member and image forming apparatus

Monolayer type photoconductor and image forming device

Azoquinone compound, electrophotographic photoconductor, and image...

Multilayer electrophotographic photoconductor and image-forming app...

Multilayer type electrophotographic photoconductor and image formin...

Oxo-titanylphthalocyanine crystal, method for producing the same an...

Electrophotographic photoreceptor and image forming apparatus

Oxo-titanylphthalocyanine crystal, method for producing the same, a...

Electrophotographic photoconductor and image-forming apparatus

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS

AZOQUINONE COMPOUND, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE...

Oxo-Titanylphthalocyanine Crystal, Method for Producing the Same an...

MULTILAYER ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE-FORMING APP...

Oxo-titanylphthalocyanine crystal, method for producing the same, a...

MONOLAYER TYPE PHOTOCONDUCTOR AND IMAGE FORMING DEVICE

Electrophotographic photoconductor and image forming apparatus

Oxo-titanylphthalocyanine crystal, method for producing the same, a...

Multilayer type electrophotographic photoconductor and image formin...

Electrophotographic photoconductor and image-forming apparatus

Electrophotographic photoconductor and manufacturing method of elec...

Electrophotographic photoreceptor and image forming apparatus