Yoshiyuki Fukuda

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device, process cartridge, and image forming apparatus i...
- Patent number 10,649,371
- Issue date May 12, 2020
- Ricoh Company, Ltd.
- Kei Saito
- 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
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
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
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
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 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
Fixing device and fixing method
- Patent number 7,400,854
- Issue date Jul 15, 2008
- Kabushiki Kaisha Toshiba
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for an image forming apparatus
- Patent number 6,308,035
- Issue date Oct 23, 2001
- Toshiba Tec Kabushiki Kaisha
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and an image forming apparatus using the developi...
- Patent number 6,259,876
- Issue date Jul 10, 2001
- Kabushiki Kaisha Toshiba
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having sharp edged electrode
- Patent number 5,250,992
- Issue date Oct 5, 1993
- Kabushiki Kaisha Toshiba
- Kenichi Tsuneeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS I...
- Publication number 20190286013
- Publication date Sep 19, 2019
- RICOH COMPANY, LTD.
- Kei Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20190286025
- Publication date Sep 19, 2019
- RICOH COMPANY, LTD.
- Yoshiki YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
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
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
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
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
Information Patent Application
Fixing device and fixing method
- Publication number 20060083560
- Publication date Apr 20, 2006
- Kabushiki Kaisha Toshiba
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshiyuki Fukuda

Person

Patents Grantslast 30 patents

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

Developing device and image forming apparatus incorporating same

Developing device and image forming apparatus incorporating same

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

Developing device and image forming apparatus

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

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

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 device, process cartridge, and image forming apparatus

Fixing device and fixing method

Developing device for an image forming apparatus

Developing device and an image forming apparatus using the developi...

Image forming apparatus having sharp edged electrode

Patents Applicationslast 30 patents

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

FIXING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

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

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

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

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

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

Fixing device and fixing method