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Patents Grants
last 30 patents
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,829,840
Issue date
Nov 28, 2017
Ricoh Company, Ltd.
Takashi Seto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,778,606
Issue date
Oct 3, 2017
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus, and fixing method
Patent number
9,678,460
Issue date
Jun 13, 2017
Ricoh Company, Ltd.
Takamasa Hase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,639,042
Issue date
May 2, 2017
Ricoh Company, Ltd.
Kenji Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
NIP formation assembly, fixing device, and image forming apparatus
Patent number
9,618,886
Issue date
Apr 11, 2017
Ricoh Company, Ltd.
Takashi Seto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,612,556
Issue date
Apr 4, 2017
Ricoh Company, Ltd.
Yasuhiko Ogino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus, and fixing method for conve...
Patent number
9,612,555
Issue date
Apr 4, 2017
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device having a heater and reflector arrangement and image f...
Patent number
9,551,963
Issue date
Jan 24, 2017
Ricoh Company, Ltd.
Takeshi Tada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including an induction heating unit with ducting for...
Patent number
9,519,248
Issue date
Dec 13, 2016
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including an induction heating unit with ducting for...
Patent number
9,482,998
Issue date
Nov 1, 2016
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,342,002
Issue date
May 17, 2016
Ricoh Company, Ltd.
Naoko Morisawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,280,107
Issue date
Mar 8, 2016
Ricoh Company, Ltd.
Motokazu Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
9,207,597
Issue date
Dec 8, 2015
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,164,447
Issue date
Oct 20, 2015
Ricoh Company, Ltd.
Shota Kobashigawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
9,002,251
Issue date
Apr 7, 2015
Ricoh Company, Ltd.
Motokazu Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
8,983,348
Issue date
Mar 17, 2015
Ricoh Company, Ltd.
Shota Kobashigawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device employing electromagnetic induction heating system ca...
Patent number
8,977,177
Issue date
Mar 10, 2015
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
8,849,169
Issue date
Sep 30, 2014
Ricoh Company, Ltd.
Tsuyoshi Hashiyada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
8,693,934
Issue date
Apr 8, 2014
Ricoh Company, Ltd.
Motokazu Hasegawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Heater, fixing unit and image forming apparatus
Patent number
7,957,663
Issue date
Jun 7, 2011
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heater, fixing unit and image forming apparatus operable with a mai...
Patent number
7,885,569
Issue date
Feb 8, 2011
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image fixing apparatus and image forming apparatus
Patent number
7,664,450
Issue date
Feb 16, 2010
Ricoh Company, Ltd.
Norihiko Aze
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heater, fixing unit and image forming apparatus having power suppli...
Patent number
7,609,988
Issue date
Oct 27, 2009
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation apparatus and associated method of storing power
Patent number
7,603,049
Issue date
Oct 13, 2009
Ricoh Company, Ltd.
Kazuhito Kishi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fixing device, image forming apparatus including the fixing device,...
Patent number
7,565,087
Issue date
Jul 21, 2009
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus including the fixing device,...
Patent number
7,551,869
Issue date
Jun 23, 2009
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for supplying power, and fixing and image forming apparatuses
Patent number
7,515,845
Issue date
Apr 7, 2009
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with auxiliary power source
Patent number
7,496,309
Issue date
Feb 24, 2009
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heating device, auxiliary power supplying device, auxiliary power s...
Patent number
7,421,224
Issue date
Sep 2, 2008
Ricoh Company, Ltd.
Kazuhito Kishi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Fixing device for fixing an image, image forming apparatus includin...
Patent number
7,366,432
Issue date
Apr 29, 2008
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160274514
Publication date
Sep 22, 2016
Kenji ISHII
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
Publication number
20160274510
Publication date
Sep 22, 2016
TAKAMASA HASE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160274511
Publication date
Sep 22, 2016
Yasuhiko OGINO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160246228
Publication date
Aug 25, 2016
Ippei FUJIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160238975
Publication date
Aug 18, 2016
Takayuki SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160231672
Publication date
Aug 11, 2016
TAKASHI SETO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
Publication number
20160223963
Publication date
Aug 4, 2016
Hiroshi YOSHINAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
NIP FORMATION ASSEMBLY, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20160187823
Publication date
Jun 30, 2016
Takashi SETO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150355587
Publication date
Dec 10, 2015
RICOH COMPANY, LTD.
Takeshi TADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150132019
Publication date
May 14, 2015
RICOH COMPANY, LTD.
Shota KOBASHIGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20140241764
Publication date
Aug 28, 2014
Motokazu Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20140219694
Publication date
Aug 7, 2014
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20140212191
Publication date
Jul 31, 2014
Susumu MATSUSAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20140205331
Publication date
Jul 24, 2014
Shota KOBASHIGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20140205333
Publication date
Jul 24, 2014
Motokazu Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140178088
Publication date
Jun 26, 2014
Naoko MORISAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE EMPLOYING ELECTROMAGNETIC INDUCTION HEATING SYSTEM CA...
Publication number
20120230743
Publication date
Sep 13, 2012
Susumu MATSUSAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20120177418
Publication date
Jul 12, 2012
Tsuyoshi HASHIYADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20120155933
Publication date
Jun 21, 2012
Motokazu Hasegawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS
Publication number
20110085815
Publication date
Apr 14, 2011
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS
Publication number
20090317113
Publication date
Dec 24, 2009
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS
Publication number
20090123172
Publication date
May 14, 2009
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE,...
Publication number
20080145088
Publication date
Jun 19, 2008
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image fixing apparatus and image forming apparatus
Publication number
20080003030
Publication date
Jan 3, 2008
Ricoh Company, Ltd.
Norihiko Aze
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070212090
Publication date
Sep 13, 2007
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATING DEVICE, AUXILIARY POWER SUPPLYING DEVICE, AUXILIARY POWER S...
Publication number
20070116484
Publication date
May 24, 2007
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and method to supply power to a fixing device
Publication number
20060127118
Publication date
Jun 15, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Condenser type fixing and image forming apparatuses
Publication number
20060051111
Publication date
Mar 9, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus including the fixing device,...
Publication number
20060051120
Publication date
Mar 9, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus including the fixing device,...
Publication number
20060051121
Publication date
Mar 9, 2006
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY