Masanao Ehara

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thermal fixing device and image forming apparatus including same wh...
- Patent number 8,989,607
- Issue date Mar 24, 2015
- Ricoh Company, Ltd.
- Satoshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus incorporating same, and meth...
- Patent number 8,971,782
- Issue date Mar 3, 2015
- Ricoh Company, Ltd.
- Kazuya Saito
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,953,960
- Issue date Feb 10, 2015
- Ricoh Company, Ltd.
- Satoshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,811,842
- Issue date Aug 19, 2014
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a transfer unit for transferring an...
- Patent number 8,755,732
- Issue date Jun 17, 2014
- Ricoh Company, Ltd.
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, fixing method, image forming apparatus, and image fo...
- Patent number 8,755,733
- Issue date Jun 17, 2014
- Ricoh Company, Ltd.
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,737,861
- Issue date May 27, 2014
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same having...
- Patent number 8,718,502
- Issue date May 6, 2014
- Ricoh Company, Ltd.
- Shuutaroh Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating the fixing...
- Patent number 8,706,016
- Issue date Apr 22, 2014
- Ricoh Company, Ltd.
- Takahiro Imada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing unit and image forming apparatus
- Patent number 8,626,018
- Issue date Jan 7, 2014
- Ricoh Company Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,588,628
- Issue date Nov 19, 2013
- Ricoh Company, Limited
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thermal fixing device and image forming apparatus including same wh...
- Patent number 8,577,232
- Issue date Nov 5, 2013
- Ricoh Company, Ltd.
- Satoshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus incorporating same, and fixi...
- Patent number 8,543,046
- Issue date Sep 24, 2013
- Ricoh Company, Ltd.
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating the fixing...
- Patent number 8,494,434
- Issue date Jul 23, 2013
- Ricoh Company, Limited
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus using the same
- Patent number 8,488,981
- Issue date Jul 16, 2013
- Ricoh Company, Ltd.
- Shuutaroh Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,463,166
- Issue date Jun 11, 2013
- Ricoh Company, Limited
- Satoshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 8,447,199
- Issue date May 21, 2013
- Ricoh Company, Limited
- Satoshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,391,743
- Issue date Mar 5, 2013
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,385,797
- Issue date Feb 26, 2013
- Ricoh Company, Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 8,364,048
- Issue date Jan 29, 2013
- Ricoh Company, Ltd.
- Naoki Iwaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus using same
- Patent number 8,346,117
- Issue date Jan 1, 2013
- Ricoh Company, Limited
- Kenji Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with movable transfer device
- Patent number 8,244,168
- Issue date Aug 14, 2012
- Ricoh Company, Ltd.
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing unit having a resin surface and image forming apparatus usin...
- Patent number 8,195,075
- Issue date Jun 5, 2012
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image-forming apparatus comprising the same
- Patent number 8,023,861
- Issue date Sep 20, 2011
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device with a control means to correct the fixing con...
- Patent number 7,546,049
- Issue date Jun 9, 2009
- Ricoh, Ltd.
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, fixing apparatus and toner
- Patent number 7,509,085
- Issue date Mar 24, 2009
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus preventing excessive increase in temperatur...
- Patent number 7,022,944
- Issue date Apr 4, 2006
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid application apparatus and image formation apparatus
- Patent number 6,892,044
- Issue date May 10, 2005
- Ricoh Company, Ltd.
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus preventing excessive increase in temperatur...
- Patent number 6,881,927
- Issue date Apr 19, 2005
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 6,807,386
- Issue date Oct 19, 2004
- Ricoh Company, Limited
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20120219312
- Publication date Aug 30, 2012
- Shuutaroh YUASA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND METH...
- Publication number 20120177424
- Publication date Jul 12, 2012
- RICOH COMPANY, LTD.
- Kazuya Saito
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120051766
- Publication date Mar 1, 2012
- Satoshi UENO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120045226
- Publication date Feb 23, 2012
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND FIXI...
- Publication number 20110311284
- Publication date Dec 22, 2011
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING UNIT AND IMAGE FORMING APPARATUS
- Publication number 20110229178
- Publication date Sep 22, 2011
- Tadashi OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20110229162
- Publication date Sep 22, 2011
- RICOH COMPANY, LIMITED
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
THERMAL FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20110229161
- Publication date Sep 22, 2011
- Satoshi UENO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, FIXING METHOD, IMAGE FORMING APPARATUS, AND IMAGE FO...
- Publication number 20110229236
- Publication date Sep 22, 2011
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20110222926
- Publication date Sep 15, 2011
- RICOH COMPANY, LIMITED
- Satoshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus using the same
- Publication number 20110222876
- Publication date Sep 15, 2011
- RICOH COMPANY, LIMITED
- Shuutaroh Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110150518
- Publication date Jun 23, 2011
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE FIXING...
- Publication number 20110064502
- Publication date Mar 17, 2011
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus using same
- Publication number 20110064450
- Publication date Mar 17, 2011
- RICOH COMPANY, LTD.
- Kenji Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20110064451
- Publication date Mar 17, 2011
- Yoshiki YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus incorporating the fixing...
- Publication number 20110064490
- Publication date Mar 17, 2011
- RICOH COMPANY, LTD.
- Takahiro Imada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20110052277
- Publication date Mar 3, 2011
- Satoshi UENO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus including same
- Publication number 20110044706
- Publication date Feb 24, 2011
- Ricoh Company, Ltd.
- Naoki Iwaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus incorporating same
- Publication number 20100303521
- Publication date Dec 2, 2010
- Ricoh Company, Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20100074667
- Publication date Mar 25, 2010
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE-FORMING APPARATUS COMPRISING THE SAME
- Publication number 20090148204
- Publication date Jun 11, 2009
- Hiroshi YOSHINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090123201
- Publication date May 14, 2009
- Masanao EHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080317532
- Publication date Dec 25, 2008
- Ricoh Company, Ltd.
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing unit and image forming apparatus using the same
- Publication number 20080063443
- Publication date Mar 13, 2008
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20060257183
- Publication date Nov 16, 2006
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming device and control method
- Publication number 20060177232
- Publication date Aug 10, 2006
- Masanao Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, fixing apparatus, toner, and method of pre...
- Publication number 20060165443
- Publication date Jul 27, 2006
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus preventing excessive increase in temperatur...
- Publication number 20050095043
- Publication date May 5, 2005
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20040042825
- Publication date Mar 4, 2004
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device preventing rubbing of toner image
- Publication number 20030206758
- Publication date Nov 6, 2003
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masanao Ehara

Person

Patents Grantslast 30 patents

Thermal fixing device and image forming apparatus including same wh...

Fixing device, image forming apparatus incorporating same, and meth...

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Image forming apparatus having a transfer unit for transferring an...

Fixing device, fixing method, image forming apparatus, and image fo...

Fixing device and image forming apparatus

Fixing device and image forming apparatus incorporating same having...

Fixing device and image forming apparatus incorporating the fixing...

Fixing unit and image forming apparatus

Fixing device and image forming apparatus

Thermal fixing device and image forming apparatus including same wh...

Fixing device, image forming apparatus incorporating same, and fixi...

Fixing device and image forming apparatus incorporating the fixing...

Fixing device and image forming apparatus using the same

Fixing device and image forming apparatus

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus using same

Image forming apparatus with movable transfer device

Fixing unit having a resin surface and image forming apparatus usin...

Fixing device and image-forming apparatus comprising the same

Image forming device with a control means to correct the fixing con...

Image forming apparatus, fixing apparatus and toner

Image forming apparatus preventing excessive increase in temperatur...

Liquid application apparatus and image formation apparatus

Image forming apparatus preventing excessive increase in temperatur...

Fixing device and image forming apparatus

Patents Applicationslast 30 patents

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND METH...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND FIXI...

FIXING UNIT AND IMAGE FORMING APPARATUS

Fixing device and image forming apparatus

THERMAL FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE, FIXING METHOD, IMAGE FORMING APPARATUS, AND IMAGE FO...

Fixing device and image forming apparatus

Fixing device and image forming apparatus using the same

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE FIXING...

Fixing device and image forming apparatus using same

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

Fixing device and image forming apparatus incorporating the fixing...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus incorporating same

Image forming apparatus

FIXING DEVICE AND IMAGE-FORMING APPARATUS COMPRISING THE SAME

IMAGE FORMING APPARATUS

Image forming apparatus

Fixing unit and image forming apparatus using the same

Image forming apparatus

Image forming device and control method

Image forming apparatus, fixing apparatus, toner, and method of pre...

Image forming apparatus preventing excessive increase in temperatur...

Fixing device and image forming apparatus

Fixing device preventing rubbing of toner image