Membership
Tour
Register
Log in
Tetsuo TOKUDA
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
11,809,107
Issue date
Nov 7, 2023
Ricoh Company, Ltd.
Tetsuo Tokuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
11,550,246
Issue date
Jan 10, 2023
Ricoh Company, Ltd.
Akiyasu Amita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt device and image forming apparatus incorporating same
Patent number
11,150,583
Issue date
Oct 19, 2021
Ricoh Company, Ltd.
Fumihiro Hirose
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method with temperature a...
Patent number
10,401,766
Issue date
Sep 3, 2019
Ricoh Company, Ltd.
Ryohhei Sugiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including a fixing device
Patent number
10,191,423
Issue date
Jan 29, 2019
Ricoh Company, Ltd.
Ryohhei Sugiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
10,001,735
Issue date
Jun 19, 2018
Ricoh Company, Limited
Takahiro Imada
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
Fixing device and image forming apparatus including a rotation load...
Patent number
9,715,201
Issue date
Jul 25, 2017
Ricoh Company, Ltd.
Takamasa Hase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drive transmission unit, fixing device with drive transmission unit...
Patent number
9,696,672
Issue date
Jul 4, 2017
Ricoh Company, Ltd.
Hiroshi Ono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,557,692
Issue date
Jan 31, 2017
Ricoh Company, Limited
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,383,692
Issue date
Jul 5, 2016
Ricoh Company, Ltd.
Satoshi Ueno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,316,977
Issue date
Apr 19, 2016
Ricoh Company, Ltd.
Motoyoshi Yamano
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 incorporating same
Patent number
9,250,581
Issue date
Feb 2, 2016
Ricoh Company, Ltd.
Tetsuo Tokuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,207,594
Issue date
Dec 8, 2015
Ricoh Company, Ltd.
Tetsuo Tokuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,158,250
Issue date
Oct 13, 2015
Ricoh Company, Limited
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus, and fixing method
Patent number
9,152,099
Issue date
Oct 6, 2015
Ricoh Company, Ltd.
Satoshi Ueno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device having a fuser pad of varying thickness and image for...
Patent number
9,116,494
Issue date
Aug 25, 2015
Ricoh Company, Ltd.
Tetsuo Tokuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,052,650
Issue date
Jun 9, 2015
Ricoh Company, Ltd.
Motoyoshi Yamano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and method, and image forming apparatus incorporating...
Patent number
9,046,837
Issue date
Jun 2, 2015
Ricoh Company, Ltd.
Yutaka Ikebuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing apparatus and image forming apparatus
Patent number
8,983,353
Issue date
Mar 17, 2015
Ricoh Company, Ltd.
Arinobu Yoshiura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
8,953,993
Issue date
Feb 10, 2015
Ricoh Company, Ltd.
Tetsuo Tokuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device with resistance heating element capable of accurately...
Patent number
8,929,789
Issue date
Jan 6, 2015
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
8,903,296
Issue date
Dec 2, 2014
Ricoh Company, Ltd.
Toshihiko Shimokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus incorporating same, and meth...
Patent number
8,867,976
Issue date
Oct 21, 2014
Ricoh Company, Ltd.
Ippei Fujimoto
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
Belt device with mechanism capable of minimizing increase of rotati...
Patent number
8,811,874
Issue date
Aug 19, 2014
Ricoh Company, Ltd.
Toshihiko Shimokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
8,811,837
Issue date
Aug 19, 2014
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus, and heater control method
Patent number
8,792,797
Issue date
Jul 29, 2014
Ricoh Company, Ltd.
Yutaka Ikebuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20230136994
Publication date
May 4, 2023
Tetsuo TOKUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20220082968
Publication date
Mar 17, 2022
RICOH COMPANY, LTD.
Akiyasu AMITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20210096488
Publication date
Apr 1, 2021
Fumihiro HIROSE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20180088502
Publication date
Mar 29, 2018
Ryohhei SUGIYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20170131666
Publication date
May 11, 2017
RICOH COMPANY, LTD.
Ryohhei SUGIYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170102652
Publication date
Apr 13, 2017
RICOH COMPANY, LTD.
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170003633
Publication date
Jan 5, 2017
Takamasa HASE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRIVE TRANSMISSION UNIT, FIXING DEVICE WITH DRIVE TRANSMISSION UNIT...
Publication number
20160306311
Publication date
Oct 20, 2016
RICOH COMPANY, LTD.
Hiroshi ONO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160004197
Publication date
Jan 7, 2016
RICOH COMPANY, LIMITED
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150227097
Publication date
Aug 13, 2015
Motoyoshi YAMANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20150125192
Publication date
May 7, 2015
Tetsuo TOKUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
Publication number
20140294456
Publication date
Oct 2, 2014
RICOH COMPANY, LTD.
Satoshi UENO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140294461
Publication date
Oct 2, 2014
Tetsuo TOKUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140112680
Publication date
Apr 24, 2014
Satoshi Ueno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20130330111
Publication date
Dec 12, 2013
RICOH COMPANY, LTD.
Tetsuo TOKUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20130266355
Publication date
Oct 10, 2013
ARINOBU YOSHIURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20130142551
Publication date
Jun 6, 2013
Motoyoshi YAMANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT DEVICE WITH MECHANISM CAPABLE OF MINIMIZING INCREASE OF ROTATI...
Publication number
20130045032
Publication date
Feb 21, 2013
TOSHIHIKO SHIMOKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE WITH RESISTANCE HEATING ELEMENT CAPABLE OF ACCURATELY...
Publication number
20120237273
Publication date
Sep 20, 2012
RICOH COMPANY, LTD.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND HEATER CONTROL METHOD
Publication number
20120224878
Publication date
Sep 6, 2012
RICOH COMPANY, LTD.
Yutaka Ikebuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20120177420
Publication date
Jul 12, 2012
TOSHIHIKO SHIMOKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing Device And Method, And Image Forming Apparatus Incorporating...
Publication number
20120177393
Publication date
Jul 12, 2012
RICOH COMPANY, LTD.
Yutaka Ikebuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing Device And Image Forming Apparatus
Publication number
20120177423
Publication date
Jul 12, 2012
RICOH COMPANY, LIMITED
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing Device And Image Forming Apparatus Employing Same
Publication number
20120177388
Publication date
Jul 12, 2012
RICOH COMPANY, LTD.
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20120155936
Publication date
Jun 21, 2012
YOSHIKI YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20120155935
Publication date
Jun 21, 2012
MASAAKI YOSHIKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT ASSEMBLY, FIXING DEVICE, AND IMAGE FORMING APPARATUS INCORPORA...
Publication number
20120148303
Publication date
Jun 14, 2012
YOSHIKI YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20120121305
Publication date
May 17, 2012
MASAAKI YOSHIKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20120121304
Publication date
May 17, 2012
TETSUO TOKUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY