Yoshio Hattori

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and cleaning method
- Patent number 11,500,314
- Issue date Nov 15, 2022
- Ricoh Company, Ltd.
- Keitaro Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, heating device, and image forming device with a subs...
- Patent number 11,256,200
- Issue date Feb 22, 2022
- Ricoh Company, Ltd.
- Takahiro Imada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a cleaner to clean a surface of a cleaning...
- Patent number 10,852,671
- Issue date Dec 1, 2020
- Ricoh Company, Ltd.
- Takahiro Imada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,663,894
- Issue date May 26, 2020
- Ricoh Company, Ltd.
- Jun Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pressure and pressure relief device, fixing device, and image formi...
- Patent number 10,054,885
- Issue date Aug 21, 2018
- Ricoh Company, Ltd.
- Jun Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including fixing device w...
- Patent number 9,989,897
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Jun Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,811,043
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including the same
- Patent number 9,811,029
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including outlet guide member and image forming appar...
- Patent number 9,753,417
- Issue date Sep 5, 2017
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,696,668
- Issue date Jul 4, 2017
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing exit guide plate, fixing device, and image forming apparatus
- Patent number 9,581,945
- Issue date Feb 28, 2017
- Ricoh Company, Ltd.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,529,308
- Issue date Dec 27, 2016
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and fixing method
- Patent number 9,501,006
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus with a rotatable light sh...
- Patent number 9,494,901
- Issue date Nov 15, 2016
- Ricoh Company, Ltd.
- Kazuya Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,329,542
- Issue date May 3, 2016
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, image forming apparatus inco...
- Patent number 9,316,950
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,316,964
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 9,310,715
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus and process cartridge...
- Patent number 9,141,034
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a heat shield and image forming apparatus
- Patent number 9,046,839
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and process cartridge and image forming apparat...
- Patent number 8,989,621
- Issue date Mar 24, 2015
- Ricoh Company, Ltd.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Operator guidance system and image forming apparatus incorporating...
- Patent number 8,970,858
- Issue date Mar 3, 2015
- Ricoh Company, Ltd.
- Mami Akiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Developing device, process cartridge, and image-forming apparatus
- Patent number 8,787,802
- Issue date Jul 22, 2014
- Ricoh Company, Ltd.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus, process cartridge, and image forming apparatus
- Patent number 8,676,099
- Issue date Mar 18, 2014
- Ricoh Company, Ltd.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and image forming apparatus and process cartrid...
- Patent number 8,626,034
- Issue date Jan 7, 2014
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit, image forming apparatus incorporating same, and pr...
- Patent number 8,331,834
- Issue date Dec 11, 2012
- Ricoh Company, Ltd.
- Kyohta Koetsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 8,326,189
- Issue date Dec 4, 2012
- Ricoh Company, Limited
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer regulating member in a developing unit, process cartridge...
- Patent number 8,135,315
- Issue date Mar 13, 2012
- Ricoh Company, Ltd.
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, and image forming apparatus
- Patent number 8,023,855
- Issue date Sep 20, 2011
- Ricoh Company Limited
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, lubricant applying device, transfer device...
- Patent number 7,826,786
- Issue date Nov 2, 2010
- Ricoh Company, Limited
- Takeo Suda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND CLEANING METHOD
- Publication number 20220043376
- Publication date Feb 10, 2022
- Ricoh Company, Ltd.
- Keitaro SHOJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, HEATING DEVICE, AND IMAGE FORMING DEVICE
- Publication number 20210223724
- Publication date Jul 22, 2021
- Takahiro IMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20200249603
- Publication date Aug 6, 2020
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20200159148
- Publication date May 21, 2020
- RICOH COMPANY, LTD.
- Takahiro IMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20200159149
- Publication date May 21, 2020
- RICOH COMPANY, LTD.
- Takumi WAIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180203384
- Publication date Jul 19, 2018
- Jun OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRESSURE AND PRESSURE RELIEF DEVICE, FIXING DEVICE, AND IMAGE FORMI...
- Publication number 20170343942
- Publication date Nov 30, 2017
- RICOH COMPANY, LTD.
- Jun Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING FIXING DEVICE
- Publication number 20170176899
- Publication date Jun 22, 2017
- RICOH COMPANY, LTD.
- Jun Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160274513
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Yoshiki YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING EXIT GUIDE PLATE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20160274508
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Haruyuki HONDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160274516
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Yoshiki YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160274523
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Ryuuichi MIMBU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20160274509
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Haruyuki HONDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160154350
- Publication date Jun 2, 2016
- RICOH COMPANY, LTD.
- Kazuya Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20160124359
- Publication date May 5, 2016
- RICOH COMPANY, LTD.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160116869
- Publication date Apr 28, 2016
- Kazuya SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...
- Publication number 20160041494
- Publication date Feb 11, 2016
- RICOH COMPANY, LTD.
- Tomoko TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20160033910
- Publication date Feb 4, 2016
- RICOH COMPANY, LTD.
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261148
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150098738
- Publication date Apr 9, 2015
- Yuji ARAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20140356030
- Publication date Dec 4, 2014
- RICOH COMPANY, LTD.
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140341623
- Publication date Nov 20, 2014
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...
- Publication number 20140301747
- Publication date Oct 9, 2014
- RICOH COMPANY, LTD.
- Tomoko TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140169827
- Publication date Jun 19, 2014
- RICOH COMPANY, LTD.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPERATOR GUIDANCE SYSTEM AND IMAGE FORMING APPARATUS INCORPORATING...
- Publication number 20130135646
- Publication date May 30, 2013
- Mami AKIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
- Publication number 20130034368
- Publication date Feb 7, 2013
- RICOH COMPANY, LTD.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...
- Publication number 20120219326
- Publication date Aug 30, 2012
- RICOH COMPANY, LTD.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS
- Publication number 20120163874
- Publication date Jun 28, 2012
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20110217085
- Publication date Sep 8, 2011
- Yoshio HATTORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20110058858
- Publication date Mar 10, 2011
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshio Hattori

Person

Patents Grantslast 30 patents

Image forming apparatus and cleaning method

Fixing device, heating device, and image forming device with a subs...

Fixing device including a cleaner to clean a surface of a cleaning...

Fixing device and image forming apparatus

Pressure and pressure relief device, fixing device, and image formi...

Fixing device and image forming apparatus including fixing device w...

Image forming apparatus

Fixing device and image forming apparatus including the same

Fixing device including outlet guide member and image forming appar...

Fixing device and image forming apparatus

Fixing exit guide plate, fixing device, and image forming apparatus

Image forming apparatus and image forming method

Fixing device, image forming apparatus, and fixing method

Fixing device and image forming apparatus with a rotatable light sh...

Fixing device and image forming apparatus

Development device, process cartridge, image forming apparatus inco...

Fixing device and image forming apparatus

Developing device and image forming apparatus

Developing device and image forming apparatus and process cartridge...

Fixing device including a heat shield and image forming apparatus

Development device, and process cartridge and image forming apparat...

Operator guidance system and image forming apparatus incorporating...

Developing device, process cartridge, and image-forming apparatus

Developing apparatus, process cartridge, and image forming apparatus

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

Developing unit, image forming apparatus incorporating same, and pr...

Developing device, process cartridge, and image forming apparatus

Developer regulating member in a developing unit, process cartridge...

Development device, process cartridge, and image forming apparatus

Image forming apparatus, lubricant applying device, transfer device...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND CLEANING METHOD

FIXING DEVICE, HEATING DEVICE, AND IMAGE FORMING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

PRESSURE AND PRESSURE RELIEF DEVICE, FIXING DEVICE, AND IMAGE FORMI...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING FIXING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING EXIT GUIDE PLATE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...

FIXING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

OPERATOR GUIDANCE SYSTEM AND IMAGE FORMING APPARATUS INCORPORATING...

DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...

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

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS

DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS