Yasuhiko Ogino

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, image forming method, and computer program...
- Patent number RE48108
- Issue date Jul 21, 2020
- Ricoh Company, Ltd.
- Emiko Shiraishi
Information Patent Grant
Image forming apparatus
- Patent number RE47726
- Issue date Nov 12, 2019
- Ricoh Company, Ltd.
- Shinji Aoki
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,088,781
- Issue date Oct 2, 2018
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,874,839
- Issue date Jan 23, 2018
- Ricoh Company, Ltd.
- Kazunari Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,851,663
- Issue date Dec 26, 2017
- Ricoh Company, Ltd.
- Shohta Kobashigawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,829,840
- Issue date Nov 28, 2017
- Ricoh Company, Ltd.
- Takashi Seto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,778,606
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and fixing method
- Patent number 9,678,460
- Issue date Jun 13, 2017
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,651,905
- Issue date May 16, 2017
- Ricoh Company, Ltd.
- Ippei Fujimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,639,042
- Issue date May 2, 2017
- Ricoh Company, Ltd.
- Kenji Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
NIP formation assembly, fixing device, and image forming apparatus
- Patent number 9,618,886
- Issue date Apr 11, 2017
- Ricoh Company, Ltd.
- Takashi Seto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,612,556
- Issue date Apr 4, 2017
- Ricoh Company, Ltd.
- Yasuhiko Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and fixing method for conve...
- Patent number 9,612,555
- Issue date Apr 4, 2017
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,563,153
- Issue date Feb 7, 2017
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device with transfer voltage unit and image forming appara...
- Patent number 9,335,674
- Issue date May 10, 2016
- Ricoh Company, Limited
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,310,722
- Issue date Apr 12, 2016
- Ricoh Company, Limited
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,285,723
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device with transfer voltage unit and image forming appara...
- Patent number 9,081,335
- Issue date Jul 14, 2015
- Ricoh Company, Limited
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,020,382
- Issue date Apr 28, 2015
- Ricoh Company, Ltd.
- Shinji Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device, image forming apparatus, and transfer method
- Patent number 8,923,716
- Issue date Dec 30, 2014
- Ricoh Company, Limited
- Keigo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,909,079
- Issue date Dec 9, 2014
- Ricoh Company, Ltd.
- Shinji Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and computer program...
- Patent number 8,837,969
- Issue date Sep 16, 2014
- Ricoh Company, Ltd.
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus
- Patent number 8,818,221
- Issue date Aug 26, 2014
- Ricoh Company, Limited
- Yasuhiko Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus incorporating same
- Patent number 8,781,348
- Issue date Jul 15, 2014
- Ricoh Company, Ltd.
- Yasuhiko Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for obtaining good image quality over time
- Patent number 8,750,736
- Issue date Jun 10, 2014
- Ricoh Company, Ltd.
- Keigo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 8,712,267
- Issue date Apr 29, 2014
- Ricoh Company, Ltd.
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and computer program...
- Patent number 8,600,247
- Issue date Dec 3, 2013
- Ricoh Company, Limited
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having toner with specific adherence proper...
- Patent number 8,041,276
- Issue date Oct 18, 2011
- Ricoh Company, Ltd.
- Yasuhiko Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170146931
- Publication date May 25, 2017
- Shinya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170010570
- Publication date Jan 12, 2017
- Ippei FUJIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160378027
- Publication date Dec 29, 2016
- Kazunari SAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160334742
- Publication date Nov 17, 2016
- Shohta KOBASHIGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160274514
- Publication date Sep 22, 2016
- Kenji ISHII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20160274510
- Publication date Sep 22, 2016
- TAKAMASA HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160274511
- Publication date Sep 22, 2016
- Yasuhiko OGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160246228
- Publication date Aug 25, 2016
- Ippei FUJIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160238975
- Publication date Aug 18, 2016
- Takayuki SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160231672
- Publication date Aug 11, 2016
- TAKASHI SETO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20160223963
- Publication date Aug 4, 2016
- Hiroshi YOSHINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NIP FORMATION ASSEMBLY, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20160187823
- Publication date Jun 30, 2016
- Takashi SETO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20160161889
- Publication date Jun 9, 2016
- Shinya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE WITH TRANSFER VOLTAGE UNIT AND IMAGE FORMING APPARA...
- Publication number 20150286168
- Publication date Oct 8, 2015
- Naomi SUGIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20140169817
- Publication date Jun 19, 2014
- Naomi SUGIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
- Publication number 20140079423
- Publication date Mar 20, 2014
- Emiko SHIRAISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20140010562
- Publication date Jan 9, 2014
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130148993
- Publication date Jun 13, 2013
- Shinji Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120243892
- Publication date Sep 27, 2012
- Keigo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20120237234
- Publication date Sep 20, 2012
- Naomi SUGIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120230715
- Publication date Sep 13, 2012
- Yasuhiko OGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE, IMAGE FORMING APPARATUS, AND TRANSFER METHOD
- Publication number 20120045259
- Publication date Feb 23, 2012
- Keigo NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120045237
- Publication date Feb 23, 2012
- Shinji AOKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20120045231
- Publication date Feb 23, 2012
- Yasuhiko OGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
- Publication number 20110229168
- Publication date Sep 22, 2011
- Emiko SHIRAISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ELECTROPHOTOGRAPHY, IMAGE FORMING APPARATUS, AND TONER MA...
- Publication number 20080187857
- Publication date Aug 7, 2008
- Yasuhiko Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ELECTROPHOTOGRAPHY, IMAGE FORMING APPARATUS, AND TONER MA...
- Publication number 20070178398
- Publication date Aug 2, 2007
- Yasuhiko Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yasuhiko Ogino

Person

Patents Grantslast 30 patents

Image forming apparatus, image forming method, and computer program...

Image forming apparatus

Image forming apparatus and image forming method

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device, image forming apparatus, and fixing method

Fixing device and image forming apparatus

Fixing device and image forming apparatus

NIP formation assembly, fixing device, and image forming apparatus

Fixing device and image forming apparatus

Fixing device, image forming apparatus, and fixing method for conve...

Image forming apparatus and image forming method

Transfer device with transfer voltage unit and image forming appara...

Image forming apparatus and image forming method

Image forming apparatus and image forming method

Transfer device with transfer voltage unit and image forming appara...

Image forming apparatus

Transfer device, image forming apparatus, and transfer method

Image forming apparatus

Image forming apparatus, image forming method, and computer program...

Transfer device and image forming apparatus

Transfer device and image forming apparatus incorporating same

Image forming apparatus for obtaining good image quality over time

Image forming apparatus and image forming method

Image forming apparatus, image forming method, and computer program...

Image forming apparatus having toner with specific adherence proper...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD

NIP FORMATION ASSEMBLY, FIXING DEVICE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

TRANSFER DEVICE WITH TRANSFER VOLTAGE UNIT AND IMAGE FORMING APPARA...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

TRANSFER DEVICE, IMAGE FORMING APPARATUS, AND TRANSFER METHOD

IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...

TONER FOR ELECTROPHOTOGRAPHY, IMAGE FORMING APPARATUS, AND TONER MA...

TONER FOR ELECTROPHOTOGRAPHY, IMAGE FORMING APPARATUS, AND TONER MA...