Akihiro Sugino

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Photoconductor, image forming apparatus, and process cartridge
- Patent number 10,114,302
- Issue date Oct 30, 2018
- Ricoh Company, Ltd.
- Ryohta Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, image forming method using the same, method of manu...
- Patent number 9,989,868
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, and image forming method and image forming apparatu...
- Patent number 9,740,116
- Issue date Aug 22, 2017
- Ricoh Company, Ltd.
- Nobutaka Eguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, and image forming method and image forming apparatu...
- Patent number 9,523,930
- Issue date Dec 20, 2016
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor, method for preparing photoreceptor, and image formin...
- Patent number 9,146,483
- Issue date Sep 29, 2015
- Ricoh Company, Ltd.
- Mitsuaki Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 9,031,491
- Issue date May 12, 2015
- Ricoh Company, Ltd.
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, method for preparing the electro...
- Patent number 8,927,183
- Issue date Jan 6, 2015
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- 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 carrier deterioration degree evaluating device, image carrier...
- Patent number 8,472,818
- Issue date Jun 25, 2013
- Ricoh Company, Ltd.
- Jun Yamane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Latent electrostatic image bearing member, and image forming appara...
- Patent number 8,450,033
- Issue date May 28, 2013
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,383,305
- Issue date Feb 26, 2013
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Temperature control unit for electrophotographic photoconductor sub...
- Patent number 8,126,360
- Issue date Feb 28, 2012
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and method of preparing the photo...
- Patent number 7,964,327
- Issue date Jun 21, 2011
- Ricoh Company Ltd.
- Masanobu Gondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image bearing member, and image forming appara...
- Patent number 7,897,313
- Issue date Mar 1, 2011
- Ricoh Company Limited
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image bearing member, and image forming appara...
- Patent number 7,851,114
- Issue date Dec 14, 2010
- Ricoh Company Limited
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, image forming method, image form...
- Patent number 7,781,134
- Issue date Aug 24, 2010
- Ricoh Company, Ltd.
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image bearer, and image forming method, image...
- Patent number 7,531,278
- Issue date May 12, 2009
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming process, and process cartrid...
- Patent number 7,391,994
- Issue date Jun 24, 2008
- Ricoh Company, Ltd.
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device for forming a stable transfer electric field, and a...
- Patent number 7,346,287
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, electrophotographic process, el...
- Patent number 7,314,693
- Issue date Jan 1, 2008
- Ricoh Company, Ltd.
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming method, image...
- Patent number 7,267,916
- Issue date Sep 11, 2007
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus used in electrostatic process
- Patent number 7,212,777
- Issue date May 1, 2007
- Ricoh Company, Ltd.
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 7,177,583
- Issue date Feb 13, 2007
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 7,031,650
- Issue date Apr 18, 2006
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus having endless belt with roughened guide
- Patent number 7,027,759
- Issue date Apr 11, 2006
- Ricoh Company, Ltd.
- Toshiyuki Kabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coating liquid for an intermediate layer of electrophotographic pho...
- Patent number 7,010,247
- Issue date Mar 7, 2006
- Ricoh Company, Ltd.
- Yasuo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coating liquid for an intermediate layer of electrophotographic pho...
- Patent number 7,005,006
- Issue date Feb 28, 2006
- Ricoh Company, Ltd.
- Yasuo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 6,853,834
- Issue date Feb 8, 2005
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus using...
- Patent number 6,853,823
- Issue date Feb 8, 2005
- Ricoh Company Ltd.
- Akihiro Sugino
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electrophotographic photosensitive member, preparation method there...
- Patent number 6,830,858
- Issue date Dec 14, 2004
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20200004179
- Publication date Jan 2, 2020
- Hidetoshi Kami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20180113403
- Publication date Apr 26, 2018
- Hidetoshi Kami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20170343908
- Publication date Nov 30, 2017
- Ryohta TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...
- Publication number 20160274475
- Publication date Sep 22, 2016
- Nobutaka EGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCONDUCTOR, IMAGE FORMING METHOD USING THE SAME, METHOD OF MANU...
- Publication number 20150346613
- Publication date Dec 3, 2015
- Hidetoshi KAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...
- Publication number 20150227063
- Publication date Aug 13, 2015
- Hidetoshi KAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20140234763
- Publication date Aug 21, 2014
- Akihiro SUGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTORECEPTOR, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAG...
- Publication number 20130330104
- Publication date Dec 12, 2013
- RICOH COMPANY, LTD.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20130251401
- Publication date Sep 26, 2013
- RICOH COMPANY, LTD.
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTORECEPTOR, METHOD FOR PREPARING PHOTORECEPTOR, AND IMAGE FORMIN...
- Publication number 20130243483
- Publication date Sep 19, 2013
- Mitsuaki HIROSE
- 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
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
Image carrier deterioration degree evaluating device, image carrier...
- Publication number 20110170884
- Publication date Jul 14, 2011
- RICOH COMPANY, LIMITED
- Jun Yamane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110020740
- Publication date Jan 27, 2011
- Akihiro SUGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Temperature Control Unit For Electrophotographic Photoconductor Sub...
- Publication number 20100260513
- Publication date Oct 14, 2010
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR PREPARING THE ELECTRO...
- Publication number 20080318142
- Publication date Dec 25, 2008
- RICOH COMPANY, LTD.
- Yoshiaki KAWASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LATENT ELECTROSTATIC IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...
- Publication number 20080138728
- Publication date Jun 12, 2008
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
- Publication number 20080112742
- Publication date May 15, 2008
- Hideo NAKAMORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
- Publication number 20080113285
- Publication date May 15, 2008
- Hideo NAKAMORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...
- Publication number 20070287083
- Publication date Dec 13, 2007
- Masanobu Gondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC LATENT IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...
- Publication number 20070254224
- Publication date Nov 1, 2007
- Akihiro SUGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC LATENT IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...
- Publication number 20070117033
- Publication date May 24, 2007
- Akihiro SUGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrostatic latent image bearer, and image forming method, image...
- Publication number 20070015074
- Publication date Jan 18, 2007
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrostatic latent image bearer, and image forming method, image...
- Publication number 20060199092
- Publication date Sep 7, 2006
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, image forming method, image form...
- Publication number 20060141378
- Publication date Jun 29, 2006
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Transfer device for forming a stable transfer electric field, and a...
- Publication number 20060127116
- Publication date Jun 15, 2006
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and copier
- Publication number 20060056893
- Publication date Mar 16, 2006
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Coating liquid for an intermediate layer of electrophotographic pho...
- Publication number 20050255395
- Publication date Nov 17, 2005
- Yasuo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050201778
- Publication date Sep 15, 2005
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image forming process, and process cartrid...
- Publication number 20050130050
- Publication date Jun 16, 2005
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Akihiro Sugino

Person

Patents Grantslast 30 patents

Photoconductor, image forming apparatus, and process cartridge

Photoconductor, image forming method using the same, method of manu...

Photoconductor, and image forming method and image forming apparatu...

Photoconductor, and image forming method and image forming apparatu...

Photoreceptor, method for preparing photoreceptor, and image formin...

Image forming apparatus and process cartridge

Electrophotographic photoreceptor, method for preparing the electro...

Photoreceptor, process cartridge and image forming apparatus

Image carrier deterioration degree evaluating device, image carrier...

Latent electrostatic image bearing member, and image forming appara...

Image forming apparatus

Temperature control unit for electrophotographic photoconductor sub...

Electrophotographic photoreceptor and method of preparing the photo...

Electrostatic latent image bearing member, and image forming appara...

Electrostatic latent image bearing member, and image forming appara...

Electrophotographic photoreceptor, image forming method, image form...

Electrostatic latent image bearer, and image forming method, image...

Image forming apparatus, image forming process, and process cartrid...

Transfer device for forming a stable transfer electric field, and a...

Electrophotographic photoconductor, electrophotographic process, el...

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

Image forming apparatus used in electrostatic process

Image forming apparatus and copier

Image forming apparatus and copier

Apparatus having endless belt with roughened guide

Coating liquid for an intermediate layer of electrophotographic pho...

Coating liquid for an intermediate layer of electrophotographic pho...

Image forming apparatus and copier

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic photosensitive member, preparation method there...

Patents Applicationslast 30 patents

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...

PHOTOCONDUCTOR, IMAGE FORMING METHOD USING THE SAME, METHOD OF MANU...

PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

PHOTORECEPTOR, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAG...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

PHOTORECEPTOR, METHOD FOR PREPARING PHOTORECEPTOR, AND IMAGE FORMIN...

PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

LUBRICANT AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME

Image carrier deterioration degree evaluating device, image carrier...

IMAGE FORMING APPARATUS

Temperature Control Unit For Electrophotographic Photoconductor Sub...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR PREPARING THE ELECTRO...

LATENT ELECTROSTATIC IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...

ELECTROSTATIC LATENT IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...

ELECTROSTATIC LATENT IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...

Electrostatic latent image bearer, and image forming method, image...

Electrostatic latent image bearer, and image forming method, image...

Electrophotographic photoreceptor, image forming method, image form...

Transfer device for forming a stable transfer electric field, and a...

Image forming apparatus and copier

Coating liquid for an intermediate layer of electrophotographic pho...

Image forming apparatus

Image forming apparatus, image forming process, and process cartrid...