Yutaka Naitoh

Person

Itami-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Drive device and image forming apparatus incorporating the drive de...
- Patent number 11,982,971
- Issue date May 14, 2024
- Ricoh Company, Ltd.
- Naoki Matsuda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fixing device including at least one temperature detector and a dev...
- Patent number 10,955,777
- Issue date Mar 23, 2021
- Ricoh Company, Ltd.
- Seiji Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 10,788,775
- Issue date Sep 29, 2020
- Ricoh Company, Ltd.
- Jun Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 10,527,981
- Issue date Jan 7, 2020
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a nip formation pad with a porous structure...
- Patent number 10,317,828
- Issue date Jun 11, 2019
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Separator, fixing device, and image forming apparatus
- Patent number 9,740,147
- Issue date Aug 22, 2017
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,429,891
- Issue date Aug 30, 2016
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus and method of assembling...
- Patent number 9,342,044
- Issue date May 17, 2016
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,261,835
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Yasuharu Kawarasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus with same, and method of ass...
- Patent number 9,182,709
- Issue date Nov 10, 2015
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,164,435
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing unit, image forming apparatus incorporating the fixing unit,...
- Patent number 9,104,150
- Issue date Aug 11, 2015
- Ricoh Company, Ltd.
- Minoru Toyoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,063,486
- Issue date Jun 23, 2015
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,046,843
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Tomohiko Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device with mechanism capable of heating belt effectively an...
- Patent number 9,008,559
- Issue date Apr 14, 2015
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device having pipe heater and image forming apparatus with f...
- Patent number 8,938,192
- Issue date Jan 20, 2015
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,903,275
- Issue date Dec 2, 2014
- Ricoh Company, Limited
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,693,936
- Issue date Apr 8, 2014
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,582,991
- Issue date Nov 12, 2013
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus employing the fixing device
- Patent number 8,417,137
- Issue date Apr 9, 2013
- Ricoh Company Limited
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,385,796
- Issue date Feb 26, 2013
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge with refillable fresh and residual toner chambers,...
- Patent number 8,260,186
- Issue date Sep 4, 2012
- Ricoh Company, Limited
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner agitating unit, toner hopper, process cartridge, and image fo...
- Patent number 8,103,195
- Issue date Jan 24, 2012
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,095,041
- Issue date Jan 10, 2012
- Ricoh Company, Limited
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Waste-toner collecting device, process cartridge, and image forming...
- Patent number 7,945,203
- Issue date May 17, 2011
- Ricoh Company, Ltd.
- Yoshiyuki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 7,890,017
- Issue date Feb 15, 2011
- Ricoh Company, Limited
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DRIVE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE DRIVE DE...
- Publication number 20230244172
- Publication date Aug 3, 2023
- RICOH COMPANY, LTD.
- Naoki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20200241452
- Publication date Jul 30, 2020
- RICOH COMPANY, LTD.
- Seiji SAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20200241453
- Publication date Jul 30, 2020
- RICOH COMPANY, LTD.
- Jun OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20190377286
- Publication date Dec 12, 2019
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20180267449
- Publication date Sep 20, 2018
- Yutaka NAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEPARATOR, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20160378028
- Publication date Dec 29, 2016
- RICOH COMPANY, LTD.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150346662
- Publication date Dec 3, 2015
- RICOH COMPANY, LTD.
- Yasuharu KAWARASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150248091
- Publication date Sep 3, 2015
- Shigeo NANNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140153982
- Publication date Jun 5, 2014
- RICOH COMPANY, LTD.
- Tomoya ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140112691
- Publication date Apr 24, 2014
- Shigeo NANNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140099146
- Publication date Apr 10, 2014
- RICOH COMPANY, LTD.
- Tomohiko FUJII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS WITH SAME, AND METHOD OF ASS...
- Publication number 20140093288
- Publication date Apr 3, 2014
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING UNIT, IMAGE FORMING APPARATUS INCORPORATING THE FIXING UNIT,...
- Publication number 20140072354
- Publication date Mar 13, 2014
- RICOH COMPANY, LTD.
- Minoru TOYODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS AND METHOD WITH SAME
- Publication number 20140056625
- Publication date Feb 27, 2014
- RICOH COMPANY, LTD.
- Yutaka NAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE WITH MECHANISM CAPABLE OF HEATING BELT EFFECTIVELY AN...
- Publication number 20130064586
- Publication date Mar 14, 2013
- RICOH COMPANY, LTD.
- Tomoya ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE HAVING PIPE HEATER AND IMAGE FORMING APPARATUS WITH F...
- Publication number 20120275834
- Publication date Nov 1, 2012
- Yutaka NAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20120177422
- Publication date Jul 12, 2012
- Shigeo NANNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus incorporating same
- Publication number 20120020681
- Publication date Jan 26, 2012
- RICOH COMPANY, LTD.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus incorporating same
- Publication number 20110026944
- Publication date Feb 3, 2011
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus incorporating same
- Publication number 20100232848
- Publication date Sep 16, 2010
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus employing the fixing device
- Publication number 20100034548
- Publication date Feb 11, 2010
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER AGITATING UNIT, TONER HOPPER, PROCESS CARTRIDGE, AND IMAGE FO...
- Publication number 20090162101
- Publication date Jun 25, 2009
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD
- Publication number 20090162772
- Publication date Jun 25, 2009
- Kazuoki FUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WASTE-TONER COLLECTING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING...
- Publication number 20090154973
- Publication date Jun 18, 2009
- Yoshiyuki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090074440
- Publication date Mar 19, 2009
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090060572
- Publication date Mar 5, 2009
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE, PROCESS CARTRIDGE, AND METHOD OF MAKING TONER CART...
- Publication number 20090022531
- Publication date Jan 22, 2009
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yutaka Naitoh

Person

Patents Grantslast 30 patents

Drive device and image forming apparatus incorporating the drive de...

Fixing device including at least one temperature detector and a dev...

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus incorporating same

Fixing device including a nip formation pad with a porous structure...

Separator, fixing device, and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus and method of assembling...

Fixing device and image forming apparatus

Fixing device, image forming apparatus with same, and method of ass...

Fixing device and image forming apparatus

Fixing unit, image forming apparatus incorporating the fixing unit,...

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device with mechanism capable of heating belt effectively an...

Fixing device having pipe heater and image forming apparatus with f...

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus employing the fixing device

Fixing device and image forming apparatus incorporating same

Toner cartridge with refillable fresh and residual toner chambers,...

Toner agitating unit, toner hopper, process cartridge, and image fo...

Fixing device and image forming apparatus

Waste-toner collecting device, process cartridge, and image forming...

Fixing device and image forming apparatus

Patents Applicationslast 30 patents

DRIVE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE DRIVE DE...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

SEPARATOR, 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

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS WITH SAME, AND METHOD OF ASS...

FIXING UNIT, IMAGE FORMING APPARATUS INCORPORATING THE FIXING UNIT,...

FIXING DEVICE AND IMAGE FORMING APPARATUS AND METHOD WITH SAME

FIXING DEVICE WITH MECHANISM CAPABLE OF HEATING BELT EFFECTIVELY AN...

FIXING DEVICE HAVING PIPE HEATER AND IMAGE FORMING APPARATUS WITH F...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus employing the fixing device

TONER AGITATING UNIT, TONER HOPPER, PROCESS CARTRIDGE, AND IMAGE FO...

IMAGE FORMING METHOD

WASTE-TONER COLLECTING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

TONER CARTRIDGE, PROCESS CARTRIDGE, AND METHOD OF MAKING TONER CART...