Hiroaki Watanabe

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic electro-conductive member, process cartridge, a...
- Patent number 11,971,683
- Issue date Apr 30, 2024
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electroconductive member, process cartridge, and image forming appa...
- Patent number 11,640,122
- Issue date May 2, 2023
- Canon Kabushiki Kaisha
- Yuichi Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing an electrophotographic electroconductive member
- Patent number 11,397,388
- Issue date Jul 26, 2022
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electroconductive member, process cartridge, and image forming appa...
- Patent number 11,385,559
- Issue date Jul 12, 2022
- Canon Kabushiki Kaisha
- Yuichi Kikuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electro-conductive member, method for producing same, process cartr...
- Patent number 11,307,509
- Issue date Apr 19, 2022
- Canon Kabushiki Kaisha
- Tetsuo Hino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electroconductive member, process cartridge, and electrophotographi...
- Patent number 11,175,602
- Issue date Nov 16, 2021
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic electro-conductive member, process cartridge, a...
- Patent number 11,169,454
- Issue date Nov 9, 2021
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing member, process cartridge and electrophotographic apparatus
- Patent number 11,112,748
- Issue date Sep 7, 2021
- Canon Kabushiki Kaisha
- Masaki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, manufacturing method of charging member, electroph...
- Patent number 10,558,136
- Issue date Feb 11, 2020
- Canon Kabushiki Kaisha
- Takumi Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, method for producing same, process cartridge and e...
- Patent number 10,317,811
- Issue date Jun 11, 2019
- Canon Kabushiki Kaisha
- Yuya Tomomizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, electrophotographic process cartridge, and electro...
- Patent number 10,146,149
- Issue date Dec 4, 2018
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member with concave portions containing insulating particl...
- Patent number 9,910,379
- Issue date Mar 6, 2018
- Canon Kabushiki Kaisha
- Takumi Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member having outer surface with concave portions bearing...
- Patent number 9,904,199
- Issue date Feb 27, 2018
- Canon Kabushiki Kaisha
- Kenya Terada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, manufacturing method for charging member, electrop...
- Patent number 9,372,429
- Issue date Jun 21, 2016
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Charging member, process cartridge and electrophotographic apparatus
- Patent number 9,360,833
- Issue date Jun 7, 2016
- Canon Kabushiki Kaisha
- Kenya Terada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Receptacle connector and method of producing receptacle connector
- Patent number 9,331,406
- Issue date May 3, 2016
- KYOCERA Connector Products Corporation
- Hiroaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charging member and electrophotographic apparatus
- Patent number 9,008,552
- Issue date Apr 14, 2015
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, process for its production, and electrophotographi...
- Patent number 8,991,053
- Issue date Mar 31, 2015
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Charging member, manufacturing method therefor, and electrophotogra...
- Patent number 8,923,732
- Issue date Dec 30, 2014
- Canon Kabushiki Kaisha
- Masaaki Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, electrophotographic apparatus and process cartridge
- Patent number 8,834,333
- Issue date Sep 16, 2014
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Charging roller and process for its production
- Patent number 8,781,369
- Issue date Jul 15, 2014
- Canon Kabushiki Kaisha
- Takumi Furukawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Charging member with vulcanized rubber, and electrophotographic app...
- Patent number 8,750,762
- Issue date Jun 10, 2014
- Canon Kabushiki Kaisha
- Masaaki Harada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic member, method for producing the same, process...
- Patent number 8,685,601
- Issue date Apr 1, 2014
- Canon Kabushiki Kaisha
- Keiji Nose
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Conductive member, electrophotographic apparatus, and process cartr...
- Patent number 8,622,881
- Issue date Jan 7, 2014
- Canon Kabushiki Kaisha
- Masaaki Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, process for its production, and electrophotographi...
- Patent number 8,538,298
- Issue date Sep 17, 2013
- Canon Kabushiki Kaisha
- Masaaki Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, manufacturing method for charging member, and elec...
- Patent number 8,532,535
- Issue date Sep 10, 2013
- Canon Kabushiki Kaisha
- Keiji Nose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member
- Patent number 8,501,312
- Issue date Aug 6, 2013
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Conductive rubber elastic material, charging member and electrophot...
- Patent number 8,491,994
- Issue date Jul 23, 2013
- Canon Kabushiki Kaisha
- Masaaki Harada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Charging member
- Patent number 8,481,167
- Issue date Jul 9, 2013
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Gasification equipment
- Patent number 8,480,766
- Issue date Jul 9, 2013
- Central Research Institute Of Electric Power Industry
- Hiroaki Watanabe
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...
- Publication number 20220308495
- Publication date Sep 29, 2022
- Canon Kabushiki Kaisha
- Yuichi Kikuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTRO-CONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPH...
- Publication number 20220229379
- Publication date Jul 21, 2022
- Canon Kabushiki Kaisha
- Shota Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHI...
- Publication number 20220026825
- Publication date Jan 27, 2022
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC ELECTRO-CONDUCTIVE MEMBER, PROCESS CARTRIDGE, A...
- Publication number 20220011684
- Publication date Jan 13, 2022
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRO-CONDUCTIVE MEMBER, METHOD FOR PRODUCING SAME, PROCESS CARTR...
- Publication number 20210048759
- Publication date Feb 18, 2021
- Canon Kabushiki Kaisha
- Tetsuo Hino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHI...
- Publication number 20210041796
- Publication date Feb 11, 2021
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...
- Publication number 20210033996
- Publication date Feb 4, 2021
- Canon Kabushiki Kaisha
- Yuichi Kikuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DEVELOPING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20210026295
- Publication date Jan 28, 2021
- Canon Kabushiki Kaisha
- Masaki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC ELECTRO-CONDUCTIVE MEMBER, PROCESS CARTRIDGE, A...
- Publication number 20200310265
- Publication date Oct 1, 2020
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, MANUFACTURING METHOD OF CHARGING MEMBER, ELECTROP...
- Publication number 20190324379
- Publication date Oct 24, 2019
- Canon Kabushiki Kaisha
- Takumi Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE, AND ELECTRO...
- Publication number 20180314180
- Publication date Nov 1, 2018
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, METHOD FOR PRODUCING SAME, PROCESS CARTRIDGE AND E...
- Publication number 20180101107
- Publication date Apr 12, 2018
- Canon Kabushiki Kaisha
- Yuya Tomomizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20170115590
- Publication date Apr 27, 2017
- Canon Kabushiki Kaisha
- Takumi Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20170115591
- Publication date Apr 27, 2017
- Canon Kabushiki Kaisha
- Kenya Terada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, MANUFACTURING METHOD FOR CHARGING MEMBER, ELECTROP...
- Publication number 20150355567
- Publication date Dec 10, 2015
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
RECEPTACLE CONNECTOR AND METHOD OF PRODUCING RECEPTACLE CONNECTOR
- Publication number 20150140841
- Publication date May 21, 2015
- KYOCERA CONNECTOR PRODUCTS CORPORATION
- Hiroaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHARGING MEMBER, MANUFACTURING METHOD THEREFOR, AND ELECTROPHOTOGRA...
- Publication number 20140219681
- Publication date Aug 7, 2014
- Canon Kabushiki Kaisha
- Masaaki Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20140205323
- Publication date Jul 24, 2014
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC MEMBER, METHOD FOR PRODUCING THE SAME, PROCESS...
- Publication number 20140023960
- Publication date Jan 23, 2014
- Keiji Nose
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20130310239
- Publication date Nov 21, 2013
- Canon Kabushiki Kaisha
- Kenya Terada
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
CHARGING ROLLER AND PROCESS FOR ITS PRODUCTION
- Publication number 20130302064
- Publication date Nov 14, 2013
- Takumi Furukawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
CHARGING MEMBER, PROCESS FOR ITS PRODUCTION, AND ELECTROPHOTOGRAPHI...
- Publication number 20130272747
- Publication date Oct 17, 2013
- Hiroaki Watanabe
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE, PRODUCTION METHOD FOR SAM...
- Publication number 20130113034
- Publication date May 9, 2013
- ULVAC, Inc.
- Hideaki Zama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CHARGING MEMBER, MANUFACTURING METHOD FOR CHARGING MEMBER, AND ELEC...
- Publication number 20130039677
- Publication date Feb 14, 2013
- Canon Kabushiki Kaisha
- Keiji Nose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONDUCTIVE RUBBER ELASTIC MATERIAL, CHARGING MEMBER AND ELECTROPHOT...
- Publication number 20120224887
- Publication date Sep 6, 2012
- Canon Kabushiki Kaisha
- Masaaki Harada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CHARGING MEMBER
- Publication number 20120177408
- Publication date Jul 12, 2012
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER
- Publication number 20120141161
- Publication date Jun 7, 2012
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER AND METHOD FOR PRODUCING CHARGING MEMBER
- Publication number 20120082852
- Publication date Apr 5, 2012
- Canon Kabushiki Kaisha
- Keiji Nose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, PROCESS FOR ITS PRODUCTION, AND ELECTROPHOTOGRAPHI...
- Publication number 20120045250
- Publication date Feb 23, 2012
- Canon Kabushiki Kaisha
- Masaaki Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, ELECTROPHOTOGRAPHIC APPARATUS AND PROCESS CARTRIDGE
- Publication number 20110200356
- Publication date Aug 18, 2011
- Canon Kabushiki Kaisha
- Hiroaki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hiroaki Watanabe

Person

Patents Grantslast 30 patents

Electrophotographic electro-conductive member, process cartridge, a...

Electroconductive member, process cartridge, and image forming appa...

Process for producing an electrophotographic electroconductive member

Electroconductive member, process cartridge, and image forming appa...

Electro-conductive member, method for producing same, process cartr...

Electroconductive member, process cartridge, and electrophotographi...

Electrophotographic electro-conductive member, process cartridge, a...

Developing member, process cartridge and electrophotographic apparatus

Charging member, manufacturing method of charging member, electroph...

Charging member, method for producing same, process cartridge and e...

Charging member, electrophotographic process cartridge, and electro...

Charging member with concave portions containing insulating particl...

Charging member having outer surface with concave portions bearing...

Charging member, manufacturing method for charging member, electrop...

Charging member, process cartridge and electrophotographic apparatus

Receptacle connector and method of producing receptacle connector

Charging member and electrophotographic apparatus

Charging member, process for its production, and electrophotographi...

Charging member, manufacturing method therefor, and electrophotogra...

Charging member, electrophotographic apparatus and process cartridge

Charging roller and process for its production

Charging member with vulcanized rubber, and electrophotographic app...

Electrophotographic member, method for producing the same, process...

Conductive member, electrophotographic apparatus, and process cartr...

Charging member, process for its production, and electrophotographi...

Charging member, manufacturing method for charging member, and elec...

Charging member

Conductive rubber elastic material, charging member and electrophot...

Charging member

Gasification equipment

Patents Applicationslast 30 patents

ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...

ELECTRO-CONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPH...

ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHI...

ELECTROPHOTOGRAPHIC ELECTRO-CONDUCTIVE MEMBER, PROCESS CARTRIDGE, A...

ELECTRO-CONDUCTIVE MEMBER, METHOD FOR PRODUCING SAME, PROCESS CARTR...

ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHI...

ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...

DEVELOPING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

ELECTROPHOTOGRAPHIC ELECTRO-CONDUCTIVE MEMBER, PROCESS CARTRIDGE, A...

CHARGING MEMBER, MANUFACTURING METHOD OF CHARGING MEMBER, ELECTROP...

CHARGING MEMBER, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE, AND ELECTRO...

CHARGING MEMBER, METHOD FOR PRODUCING SAME, PROCESS CARTRIDGE AND E...

CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS

CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS

CHARGING MEMBER, MANUFACTURING METHOD FOR CHARGING MEMBER, ELECTROP...

RECEPTACLE CONNECTOR AND METHOD OF PRODUCING RECEPTACLE CONNECTOR

CHARGING MEMBER, MANUFACTURING METHOD THEREFOR, AND ELECTROPHOTOGRA...

CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS

ELECTROPHOTOGRAPHIC MEMBER, METHOD FOR PRODUCING THE SAME, PROCESS...

CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

CHARGING ROLLER AND PROCESS FOR ITS PRODUCTION

CHARGING MEMBER, PROCESS FOR ITS PRODUCTION, AND ELECTROPHOTOGRAPHI...

NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE, PRODUCTION METHOD FOR SAM...

CHARGING MEMBER, MANUFACTURING METHOD FOR CHARGING MEMBER, AND ELEC...

CONDUCTIVE RUBBER ELASTIC MATERIAL, CHARGING MEMBER AND ELECTROPHOT...

CHARGING MEMBER

CHARGING MEMBER

CHARGING MEMBER AND METHOD FOR PRODUCING CHARGING MEMBER

CHARGING MEMBER, PROCESS FOR ITS PRODUCTION, AND ELECTROPHOTOGRAPHI...

CHARGING MEMBER, ELECTROPHOTOGRAPHIC APPARATUS AND PROCESS CARTRIDGE