Hideo NAGAFUJI

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device, image forming apparatus, and slide member
- Patent number 10,007,213
- Issue date Jun 26, 2018
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,897,950
- Issue date Feb 20, 2018
- Ricoh Company, Ltd.
- Arinobu Yoshiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including a friction redu...
- Patent number 9,869,952
- Issue date Jan 16, 2018
- Ricoh Company, Ltd.
- Kohichi Utsunomiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and method of controlling f...
- Patent number 9,817,345
- Issue date Nov 14, 2017
- Ricoh Company, Ltd.
- Motoyoshi Yamano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper conveying device and image forming device
- Patent number 9,650,219
- Issue date May 16, 2017
- Ricoh Company, Ltd.
- Arinobu Yoshiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device with nip forming member having a high thermal-conduct...
- Patent number 9,599,940
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Motoyoshi Yamano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including a nip-forming-m...
- Patent number 9,494,900
- Issue date Nov 15, 2016
- Ricoh Company, Ltd.
- Kohichi Utsunomiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device of an image forming apparatus that utilizes edge dete...
- Patent number 9,477,182
- Issue date Oct 25, 2016
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus which utilizes a nip supp...
- Patent number 9,429,888
- Issue date Aug 30, 2016
- Ricoh Company, Ltd.
- Kohichi Utsunomiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,400,464
- Issue date Jul 26, 2016
- Ricoh Company, Ltd.
- Kohichi Utsunomiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper conveyance device, fixing device, and image forming apparatus
- Patent number 9,400,482
- Issue date Jul 26, 2016
- Ricoh Company, Ltd.
- Shohei Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,354,572
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Arinobu Yoshiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,298,146
- Issue date Mar 29, 2016
- Ricoh Company, Limited
- Arinobu Yoshiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device having resin layer over core metal of heating roller
- Patent number 6,969,252
- Issue date Nov 29, 2005
- Ricoh Company, Ltd.
- Hideo Nagafuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Heating device having a heating roller with a large diameter portio...
- Patent number 6,701,120
- Issue date Mar 2, 2004
- Ricoh Company, Ltd.
- Hideo Nagafuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fixing apparatus and image forming apparatus using the fixing appar...
- Patent number 6,516,177
- Issue date Feb 4, 2003
- Ricoh Company, Ltd.
- Hideo Nagafuji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING F...
- Publication number 20170146933
- Publication date May 25, 2017
- RICOH COMPANY, LTD.
- Motoyoshi YAMANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170131664
- Publication date May 11, 2017
- Kohichi UTSUNOMIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170115610
- Publication date Apr 27, 2017
- Arinobu YOSHIURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND SLIDE MEMBER
- Publication number 20170102646
- Publication date Apr 13, 2017
- Yutaka IKEBUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PAPER CONVEYING DEVICE AND IMAGE FORMING DEVICE
- Publication number 20160221775
- Publication date Aug 4, 2016
- Arinobu YOSHIURA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160062286
- Publication date Mar 3, 2016
- Arinobu YOSHIURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160033906
- Publication date Feb 4, 2016
- RICOH COMPANY, LTD.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160011548
- Publication date Jan 14, 2016
- Kohichi UTSUNOMIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160011549
- Publication date Jan 14, 2016
- Kohichi UTSUNOMIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160011550
- Publication date Jan 14, 2016
- Kohichi UTSUNOMIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PAPER CONVEYANCE DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20150268626
- Publication date Sep 24, 2015
- RICOH COMPANY, LTD.
- Shohei Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261147
- Publication date Sep 17, 2015
- Yuji ARAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261157
- Publication date Sep 17, 2015
- Motoyoshi YAMANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261155
- Publication date Sep 17, 2015
- Arinobu YOSHIURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Heating device having resin layer over core metal of heating roller
- Publication number 20040126728
- Publication date Jul 1, 2004
- Hideo Nagafuji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Heating device having resin layer over core metal of heating roller
- Publication number 20020064407
- Publication date May 30, 2002
- Hideo Nagafuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Hideo NAGAFUJI

Person

Patents Grantslast 30 patents

Fixing device, image forming apparatus, and slide member

Fixing device and image forming apparatus

Fixing device and image forming apparatus including a friction redu...

Fixing device, image forming apparatus, and method of controlling f...

Paper conveying device and image forming device

Fixing device with nip forming member having a high thermal-conduct...

Fixing device and image forming apparatus including a nip-forming-m...

Fixing device of an image forming apparatus that utilizes edge dete...

Fixing device and image forming apparatus which utilizes a nip supp...

Fixing device and image forming apparatus

Paper conveyance device, fixing device, and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Heating device having resin layer over core metal of heating roller

Heating device having a heating roller with a large diameter portio...

Fixing apparatus and image forming apparatus using the fixing appar...

Patents Applicationslast 30 patents

FIXING DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING F...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS, AND SLIDE MEMBER

PAPER CONVEYING DEVICE AND IMAGE FORMING DEVICE

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 AND IMAGE FORMING APPARATUS

PAPER CONVEYANCE DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

Heating device having resin layer over core metal of heating roller

Heating device having resin layer over core metal of heating roller