Hiroshi Ikuno

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Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
- Patent number 9,298,113
- Issue date Mar 29, 2016
- Ricoh Company, Ltd.
- Toshihiro Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge including a cleaning...
- Patent number 9,170,558
- Issue date Oct 27, 2015
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, image forming apparatus and proc...
- Patent number 9,122,183
- Issue date Sep 1, 2015
- Ricoh Company, Ltd.
- Tetsuya Toshine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 9,037,067
- Issue date May 19, 2015
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming method and app...
- Patent number 8,669,030
- Issue date Mar 11, 2014
- Ricoh Company, Limited
- Yukio Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image bearing member and image forming method, image forming appara...
- Patent number 8,652,717
- Issue date Feb 18, 2014
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor, process cartridge and image forming apparatus
- Patent number 8,647,798
- Issue date Feb 11, 2014
- Ricoh Company, Ltd.
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,588,630
- Issue date Nov 19, 2013
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming apparatus and...
- Patent number 8,535,863
- Issue date Sep 17, 2013
- Ricoh Company, Ltd.
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
[1]benzothieno[3,2-B][1]benzothiophene compound and method for prod...
- Patent number 8,440,713
- Issue date May 14, 2013
- Ricoh Company, Ltd.
- Daisuke Goto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzobisthiazole compound, benzobisthiazole polymer, organic film i...
- Patent number 8,193,304
- Issue date Jun 5, 2012
- Ricoh Company Limited
- Satoshi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Image bearing member, process cartridge, image forming apparatus an...
- Patent number 8,148,038
- Issue date Apr 3, 2012
- Ricoh Company, Ltd.
- Yukio Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and process cartridge and image...
- Patent number 8,119,317
- Issue date Feb 21, 2012
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, electrophotographic process car...
- Patent number 8,084,170
- Issue date Dec 27, 2011
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image bearing member, image forming apparatus and process cartridge
- Patent number 8,043,773
- Issue date Oct 25, 2011
- Ricoh Company, Limited
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, process cartridge, and image fo...
- Patent number 8,043,777
- Issue date Oct 25, 2011
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming apparatus and...
- Patent number 7,858,278
- Issue date Dec 28, 2010
- Ricoh Company Limited
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and method of preparing same
- Patent number 7,718,333
- Issue date May 18, 2010
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, manufacturing method thereof, image forming process...
- Patent number 7,629,103
- Issue date Dec 8, 2009
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming method, appara...
- Patent number 7,556,903
- Issue date Jul 7, 2009
- Ricoh Company Limited
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and method of preparing the photo...
- Patent number 7,449,272
- Issue date Nov 11, 2008
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image formation method, ima...
- Patent number 7,416,823
- Issue date Aug 26, 2008
- Ricoh Company, Ltd.
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image forming process, imag...
- Patent number 7,399,563
- Issue date Jul 15, 2008
- Ricoh Company, Ltd.
- Tetsuro Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image forming process, imag...
- Patent number 7,361,438
- Issue date Apr 22, 2008
- Ricoh Company, Ltd.
- Tetsuro Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 7,295,788
- Issue date Nov 13, 2007
- Ricoh Company, Ltd.
- Hiroshi Nakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor having a crosslinked resin layer...
- Patent number 7,279,260
- Issue date Oct 9, 2007
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and electrophotographic apparatu...
- Patent number 7,189,487
- Issue date Mar 13, 2007
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image forming process, imag...
- Patent number 7,179,573
- Issue date Feb 20, 2007
- Ricoh Company, Ltd.
- Tetsuro Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image forming process, imag...
- Patent number 7,175,957
- Issue date Feb 13, 2007
- Ricoh Company, Ltd.
- Tetsuro Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and electrophotographic apparatu...
- Patent number 6,998,209
- Issue date Feb 14, 2006
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20150071678
- Publication date Mar 12, 2015
- Hiroshi IKUNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...
- Publication number 20140199620
- Publication date Jul 17, 2014
- Toshihiro Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20140064810
- Publication date Mar 6, 2014
- Takafumi Iwamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...
- Publication number 20130244150
- Publication date Sep 19, 2013
- Tetsuya Toshine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20130243506
- Publication date Sep 19, 2013
- RICOH COMPANY, LTD.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20130059242
- Publication date Mar 7, 2013
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120183313
- Publication date Jul 19, 2012
- RICOH COMPANY, LTD.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARA...
- Publication number 20120163860
- Publication date Jun 28, 2012
- RICOH COMPANY, LTD.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS AND...
- Publication number 20120052424
- Publication date Mar 1, 2012
- RICOH COMPANY, LTD.
- Tomoharu ASANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120027463
- Publication date Feb 2, 2012
- RICOH COMPANY, LTD.
- Yasuhito KUBOSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME
- Publication number 20110286777
- Publication date Nov 24, 2011
- Akihiro SUGINO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE COMPOUND AND METHOD FOR PROD...
- Publication number 20110040107
- Publication date Feb 17, 2011
- Daisuke Goto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photoreceptor, process cartridge and image forming apparatus
- Publication number 20090269103
- Publication date Oct 29, 2009
- Ricoh Company, Ltd.
- Yoshinori Inaba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BENZOBISTHIAZOLE COMPOUND, BENZOBISTHIAZOLE POLYMER, ORGANIC FILM I...
- Publication number 20090230386
- Publication date Sep 17, 2009
- Satoshi Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
IMAGE BEARING MEMBER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AN...
- Publication number 20090148180
- Publication date Jun 11, 2009
- Yukio Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE, AND IMAGE FO...
- Publication number 20090067891
- Publication date Mar 12, 2009
- RICOH COMPANY, LTD.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND PROCESS CARTRIDGE AND IMAGE...
- Publication number 20080311499
- Publication date Dec 18, 2008
- RICOH COMPANY, LTD.
- Hidetoshi KAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image bearing member, method of manufacturing the same, image forma...
- Publication number 20080304867
- Publication date Dec 11, 2008
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CAR...
- Publication number 20080227008
- Publication date Sep 18, 2008
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CAR...
- Publication number 20080199217
- Publication date Aug 21, 2008
- Takafumi IWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE BEARING MEMBER, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20080153021
- Publication date Jun 26, 2008
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and image forming method and app...
- Publication number 20080138725
- Publication date Jun 12, 2008
- Yukio Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20080085459
- Publication date Apr 10, 2008
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND METHOD OF PREPARING SAME
- Publication number 20080063959
- Publication date Mar 13, 2008
- Kazukiyo Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING PROCESS, IMAG...
- Publication number 20080020305
- Publication date Jan 24, 2008
- Tetsuro Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS AND...
- Publication number 20070269729
- Publication date Nov 22, 2007
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING PROCESS, IMAG...
- Publication number 20070122724
- Publication date May 31, 2007
- Tetsuro Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and method of preparing the photo...
- Publication number 20060110668
- Publication date May 25, 2006
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and electrophotographic apparatu...
- Publication number 20060040192
- Publication date Feb 23, 2006
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photoconductor, image forming process, image forming apparatus, and...
- Publication number 20050287452
- Publication date Dec 29, 2005
- Hiroshi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Ikuno

Person

Patents Grantslast 30 patents

Electrophotographic photoconductor, image forming apparatus, and pr...

Image forming apparatus and process cartridge including a cleaning...

Electrophotographic photoreceptor, image forming apparatus and proc...

Image forming apparatus and process cartridge

Electrophotographic photoreceptor, and image forming method and app...

Image bearing member and image forming method, image forming appara...

Photoreceptor, process cartridge and image forming apparatus

Image forming apparatus

Electrophotographic photoreceptor, and image forming apparatus and...

[1]benzothieno[3,2-B][1]benzothiophene compound and method for prod...

Benzobisthiazole compound, benzobisthiazole polymer, organic film i...

Image bearing member, process cartridge, image forming apparatus an...

Electrophotographic photoreceptor, and process cartridge and image...

Electrophotographic photoconductor, electrophotographic process car...

Image bearing member, image forming apparatus and process cartridge

Electrophotographic photoconductor, process cartridge, and image fo...

Electrophotographic photoreceptor, and image forming apparatus and...

Electrophotographic photoconductor and method of preparing same

Photoconductor, manufacturing method thereof, image forming process...

Electrophotographic photoreceptor, and image forming method, appara...

Electrophotographic photoreceptor and method of preparing the photo...

Electrophotographic photoconductor, and image formation method, ima...

Electrophotographic photoconductor, and image forming process, imag...

Electrophotographic photoconductor, and image forming process, imag...

Image forming apparatus and process cartridge

Electrophotographic photoconductor having a crosslinked resin layer...

Electrophotographic photoreceptor, and electrophotographic apparatu...

Electrophotographic photoconductor, and image forming process, imag...

Electrophotographic photoconductor, and image forming process, imag...

Electrophotographic photoreceptor, and electrophotographic apparatu...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARA...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS AND...

IMAGE FORMING APPARATUS

LUBRICANT AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME

[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE COMPOUND AND METHOD FOR PROD...

Photoreceptor, process cartridge and image forming apparatus

BENZOBISTHIAZOLE COMPOUND, BENZOBISTHIAZOLE POLYMER, ORGANIC FILM I...

IMAGE BEARING MEMBER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AN...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE, AND IMAGE FO...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND PROCESS CARTRIDGE AND IMAGE...

Image bearing member, method of manufacturing the same, image forma...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CAR...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CAR...

IMAGE BEARING MEMBER, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

Electrophotographic photoreceptor, and image forming method and app...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC APPARATUS

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND METHOD OF PREPARING SAME

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING PROCESS, IMAG...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS AND...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING PROCESS, IMAG...

Electrophotographic photoreceptor and method of preparing the photo...

Electrophotographic photoreceptor, and electrophotographic apparatu...

Photoconductor, image forming process, image forming apparatus, and...