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Patents Grants
last 30 patents
Information
Patent Grant
Developer accommodating device with screw including screw blade as...
Patent number
11,835,887
Issue date
Dec 5, 2023
Ricoh Company, Ltd.
Yuuki Tsuchiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder collection device and image forming apparatus incorporating...
Patent number
11,215,948
Issue date
Jan 4, 2022
Ricoh Company, Ltd.
Shuntaroh Tamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder amount detector including a pair of measuring electrodes
Patent number
11,029,623
Issue date
Jun 8, 2021
Ricoh Company, Ltd.
Tatsuya Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder supply device and image forming apparatus incorporating same
Patent number
10,649,367
Issue date
May 12, 2020
Ricoh Company, Ltd.
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,983,526
Issue date
May 29, 2018
Ricoh Company, Ltd.
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,715,203
Issue date
Jul 25, 2017
Ricoh Company, Ltd.
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,501,011
Issue date
Nov 22, 2016
Ricoh Company, Ltd.
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, image forming apparatus, and process cartridge
Patent number
9,405,223
Issue date
Aug 2, 2016
Ricoh Company, Ltd.
Yuki Oshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus, and fixing method
Patent number
9,405,239
Issue date
Aug 2, 2016
Ricoh Company, Ltd.
Yutaka Ikebuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including a reinforced heat shield and image forming...
Patent number
9,348,272
Issue date
May 24, 2016
Ricoh Company, Ltd.
Shuntaroh Tamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,316,968
Issue date
Apr 19, 2016
Ricoh Company, Ltd.
Kazuya Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,310,733
Issue date
Apr 12, 2016
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,239,553
Issue date
Jan 19, 2016
Ricoh Company, Ltd.
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,239,559
Issue date
Jan 19, 2016
Ricoh Company, Ltd.
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,229,379
Issue date
Jan 5, 2016
Ricoh Company, Limited
Shuntaroh Tamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,152,106
Issue date
Oct 6, 2015
Ricoh Company, Ltd.
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,128,426
Issue date
Sep 8, 2015
Ricoh Company, Ltd.
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
9,046,833
Issue date
Jun 2, 2015
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,046,838
Issue date
Jun 2, 2015
Ricoh Company, Ltd.
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including an engagement-disengagement unit and image...
Patent number
8,886,090
Issue date
Nov 11, 2014
Ricoh Company, Ltd.
Teppei Kawata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
8,843,043
Issue date
Sep 23, 2014
Ricoh Company, Ltd.
Naoki Iwaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
8,831,494
Issue date
Sep 9, 2014
Ricoh Company Limited
Yutaka Ikebuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including removable fixing device
Patent number
8,737,878
Issue date
May 27, 2014
Ricoh Company, Ltd.
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,724,178
Issue date
May 13, 2014
Ricoh Company, Ltd.
Hiroyuki Kunii
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 having metal pipe with rough section and image formin...
Patent number
8,676,101
Issue date
Mar 18, 2014
Ricoh Company, Ltd.
Masaaki Yoshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
8,655,244
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Kenichi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heat conduction unit, fixing device, and image forming apparatus
Patent number
8,600,276
Issue date
Dec 3, 2013
Ricoh Company, Limited
Kenji Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus incorporating a fixing device and contact m...
Patent number
8,594,549
Issue date
Nov 26, 2013
Ricoh Company, Ltd.
Toshihiko Shimokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
8,571,457
Issue date
Oct 29, 2013
Ricoh Company, Ltd.
Kenichi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
PACKING MEMBER, TONER CONTAINER, AND PACKING METHOD
Publication number
20240140642
Publication date
May 2, 2024
Shuntaroh TAMAKI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
DEVELOPER ACCOMMODATING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDG...
Publication number
20220397841
Publication date
Dec 15, 2022
Yuuki TSUCHIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APP...
Publication number
20210033997
Publication date
Feb 4, 2021
Tatsuya Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER COLLECTION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING...
Publication number
20210034007
Publication date
Feb 4, 2021
Shuntaroh Tamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APP...
Publication number
20200033752
Publication date
Jan 30, 2020
Tatsuya Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20200033751
Publication date
Jan 30, 2020
Junichi MATSUMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20170277091
Publication date
Sep 28, 2017
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20160098003
Publication date
Apr 7, 2016
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20150362861
Publication date
Dec 17, 2015
Yuki OSHIKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150355586
Publication date
Dec 10, 2015
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150268597
Publication date
Sep 24, 2015
Yuji ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140270820
Publication date
Sep 18, 2014
RICOH COMPANY, LTD.
Kazuya Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140270872
Publication date
Sep 18, 2014
RICOH COMPANY, LTD.
Shuntaroh Tamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140079453
Publication date
Mar 20, 2014
Yuji ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
Publication number
20140079424
Publication date
Mar 20, 2014
Yutaka IKEBUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20140079455
Publication date
Mar 20, 2014
RICOH COMPANY, LTD.
Takayuki SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140072355
Publication date
Mar 13, 2014
Shuntaroh TAMAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20140064804
Publication date
Mar 6, 2014
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20130251430
Publication date
Sep 26, 2013
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20130209121
Publication date
Aug 15, 2013
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH FIXING DEVICE
Publication number
20130188991
Publication date
Jul 25, 2013
Teppei KAWATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
IMAGE FORMING APPARATUS
Publication number
20120008153
Publication date
Jan 12, 2012
Hiroyuki KUNII
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS INCLUDING REMOVABLE FIXING DEVICE
Publication number
20110229200
Publication date
Sep 22, 2011
Yoshiki YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20110211876
Publication date
Sep 1, 2011
Naoki IWAYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20110200370
Publication date
Aug 18, 2011
Yutaka Ikebuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device and image forming apparatus including same
Publication number
20110194869
Publication date
Aug 11, 2011
RICOH COMPANY, LTD.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Gloss applicator and image forming apparatus
Publication number
20110188911
Publication date
Aug 4, 2011
RICOH COMPANY, LTD.
Hiroyuki Kunii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEAT CONDUCTION UNIT, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20110182638
Publication date
Jul 28, 2011
Kenji ISHII
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device and image forming apparatus incorporating same
Publication number
20110170917
Publication date
Jul 14, 2011
Ricoh Company, Ltd.
Masaaki Yoshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY