Yoshiko Ogawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device, and image forming apparatus and process cartridg...
- Patent number 9,921,541
- Issue date Mar 20, 2018
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus incorporating same
- Patent number 9,772,579
- Issue date Sep 26, 2017
- Ricoh Company, Ltd.
- Yuki Oshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus incorporating same
- Patent number 9,625,851
- Issue date Apr 18, 2017
- Ricoh Company, Ltd.
- Yuki Oshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus including a toner bea...
- Patent number 9,201,336
- Issue date Dec 1, 2015
- Ricoh Company, Ltd.
- Osamu Endou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device and image forming apparatus incorporating same
- Patent number 9,158,228
- Issue date Oct 13, 2015
- Ricoh Company, Ltd.
- Yoshiko Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and image forming apparatus and process cartrid...
- Patent number 8,965,254
- Issue date Feb 24, 2015
- Ricoh Company, Ltd.
- Yoshiko Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,948,638
- Issue date Feb 3, 2015
- Ricoh Company, Ltd.
- Yuji Ishikura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and image forming apparatus and process cartrid...
- Patent number 8,929,782
- Issue date Jan 6, 2015
- Ricoh Company, Ltd.
- Osamu Endou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge incorporating same, and image...
- Patent number 8,594,540
- Issue date Nov 26, 2013
- Ricoh Company, Limited
- Tetsuro Hirota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge incorporating same, and image...
- Patent number 8,588,635
- Issue date Nov 19, 2013
- Ricoh Company, Limited
- Yoshiko Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 8,433,211
- Issue date Apr 30, 2013
- Ricoh Company, Ltd.
- Masanori Horike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and computer program...
- Patent number 8,041,238
- Issue date Oct 18, 2011
- Ricoh Company, Limited
- Shingo Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method which controls the...
- Patent number 8,041,241
- Issue date Oct 18, 2011
- Ricoh Company, Ltd.
- Akihiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner consumption-calculating apparatus, image forming apparatus, a...
- Patent number 7,885,566
- Issue date Feb 8, 2011
- Ricoh Company, Limited
- Rumi Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, and development error d...
- Patent number 7,831,182
- Issue date Nov 9, 2010
- Ricoh Company, Ltd.
- Rumi Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 7,791,635
- Issue date Sep 7, 2010
- Ricoh Company, Ltd.
- Yoshiko Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device for developing an electrostatic latent image for...
- Patent number 7,697,875
- Issue date Apr 13, 2010
- Ricoh Company Limited
- Yoshio Sakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170108795
- Publication date Apr 20, 2017
- Yuki OSHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160238966
- Publication date Aug 18, 2016
- Yuki OSHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...
- Publication number 20150338824
- Publication date Nov 26, 2015
- RICOH COMPANY, LTD.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130216250
- Publication date Aug 22, 2013
- Hideyasu SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...
- Publication number 20130216276
- Publication date Aug 22, 2013
- Yoshiko OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...
- Publication number 20130216277
- Publication date Aug 22, 2013
- Osamu ENDOU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...
- Publication number 20130216278
- Publication date Aug 22, 2013
- Yoshiko OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130209143
- Publication date Aug 15, 2013
- Osamu ENDOU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130071147
- Publication date Mar 21, 2013
- Yoshiko OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130071148
- Publication date Mar 21, 2013
- Yuuji ISHIKURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120057891
- Publication date Mar 8, 2012
- Yuji ISHIKURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...
- Publication number 20110182626
- Publication date Jul 28, 2011
- Tetsuro HIROTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...
- Publication number 20110164892
- Publication date Jul 7, 2011
- Yoshiko OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20110064432
- Publication date Mar 17, 2011
- Masanori Horike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development device comprising process cartridge and image formation...
- Publication number 20090274485
- Publication date Nov 5, 2009
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
- Publication number 20090245822
- Publication date Oct 1, 2009
- Shingo NAGATSUKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20090176171
- Publication date Jul 9, 2009
- Yoshiko OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND DEVELOPMENT DEVICE
- Publication number 20080317513
- Publication date Dec 25, 2008
- Yoshio SAKAGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND DEVELOPMENT ERROR D...
- Publication number 20080267641
- Publication date Oct 30, 2008
- Rumi Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20080199792
- Publication date Aug 21, 2008
- Akihiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONSUMPTION-CALCULATING APPARATUS, IMAGE FORMING APPARATUS, A...
- Publication number 20080075480
- Publication date Mar 27, 2008
- Rumi Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method and apparatus for effectively conveying developer
- Publication number 20060280529
- Publication date Dec 14, 2006
- Shuuichi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshiko Ogawa

Person

Patents Grantslast 30 patents

Developing device, and image forming apparatus and process cartridg...

Developing device and image forming apparatus incorporating same

Developing device and image forming apparatus incorporating same

Developing device and image forming apparatus including a toner bea...

Development device and image forming apparatus incorporating same

Development device, and image forming apparatus and process cartrid...

Image forming apparatus

Development device, and image forming apparatus and process cartrid...

Development device, process cartridge incorporating same, and image...

Development device, process cartridge incorporating same, and image...

Developing device, process cartridge, and image forming apparatus

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

Image forming apparatus and image forming method which controls the...

Toner consumption-calculating apparatus, image forming apparatus, a...

Developing device, image forming apparatus, and development error d...

Image forming apparatus and image forming method

Development device for developing an electrostatic latent image for...

Patents Applicationslast 30 patents

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...

DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...

DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...

DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Development device comprising process cartridge and image formation...

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

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND DEVELOPMENT DEVICE

DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND DEVELOPMENT ERROR D...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

TONER CONSUMPTION-CALCULATING APPARATUS, IMAGE FORMING APPARATUS, A...

Image forming method and apparatus for effectively conveying developer