Keisuke Kubota

Person

Hitachinaka city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Work vehicle, lever unit, and actuator automatic control method
- Patent number 12,139,884
- Issue date Nov 12, 2024
- Komatsu Ltd.
- Masashi Katoh
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Work vehicle and method for controlling work vehicle
- Patent number 12,001,236
- Issue date Jun 4, 2024
- Komatsu Ltd.
- Masashi Katoh
- G05 - CONTROLLING REGULATING
Information Patent Grant
Separation member, separation device, fixing device, and image form...
- Patent number 10,481,530
- Issue date Nov 19, 2019
- Ricoh Company, Ltd.
- Seiji Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,394,169
- Issue date Aug 27, 2019
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,095,166
- Issue date Oct 9, 2018
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,088,786
- Issue date Oct 2, 2018
- Ricoh Company, Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including a fixing belt,...
- Patent number 10,012,937
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Shuutaroh Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,012,936
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Kensuke Yamaji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus with a movable presser wh...
- Patent number 9,996,035
- Issue date Jun 12, 2018
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus that include a separation...
- Patent number 9,939,761
- Issue date Apr 10, 2018
- Ricoh Company, Ltd.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and recording medium...
- Patent number 9,811,034
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Hiroshi Kawabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,733,600
- Issue date Aug 15, 2017
- Ricoh Company, Ltd.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling device and image forming apparatus incorporating the coolin...
- Patent number 9,563,155
- Issue date Feb 7, 2017
- Ricoh Company, Ltd.
- Kenji Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,519,249
- Issue date Dec 13, 2016
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a separator to separate a recording medium...
- Patent number 9,389,560
- Issue date Jul 12, 2016
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,316,979
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus that include a separator...
- Patent number 9,268,276
- Issue date Feb 23, 2016
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,244,431
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Yuuki Kikushima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Control method, fixing device and image forming apparatus incorpora...
- Patent number 9,207,601
- Issue date Dec 8, 2015
- Ricoh Company Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning system, fixing device, and image forming apparatus incorpo...
- Patent number 8,897,685
- Issue date Nov 25, 2014
- Ricoh Company, Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning system control method, fixing device, and image forming ap...
- Patent number 8,886,097
- Issue date Nov 11, 2014
- Ricoh Company, Ltd.
- Atsushi Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning system control method, fixing device, and image forming ap...
- Patent number 8,837,999
- Issue date Sep 16, 2014
- Ricoh Company, Ltd.
- Atsushi Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, fixing device control method, and image forming appa...
- Patent number 8,725,019
- Issue date May 13, 2014
- Ricoh Company, Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus capable of suppressing va...
- Patent number 8,699,904
- Issue date Apr 15, 2014
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,666,270
- Issue date Mar 4, 2014
- Ricoh Company, Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus capable of effectively ci...
- Patent number 8,346,143
- Issue date Jan 1, 2013
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus capable of adjusting amou...
- Patent number 8,224,220
- Issue date Jul 17, 2012
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and image fixing method cap...
- Patent number 8,112,022
- Issue date Feb 7, 2012
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus with improved mechanism f...
- Patent number 8,027,627
- Issue date Sep 27, 2011
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of stably applying oil for fixing
- Patent number 8,023,850
- Issue date Sep 20, 2011
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME
- Publication number 20240168417
- Publication date May 23, 2024
- Keisuke KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE
- Publication number 20220333342
- Publication date Oct 20, 2022
- Komatsu Ltd.
- Masashi KATOH
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WORK VEHICLE, LEVER UNIT, AND ACTUATOR AUTOMATIC CONTROL METHOD
- Publication number 20220316179
- Publication date Oct 6, 2022
- Komatsu Ltd.
- Masashi KATOH
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WORK VEHICLE AND METHOD FOR CONTROLLING WORK VEHICLE
- Publication number 20220300025
- Publication date Sep 22, 2022
- Komatsu Ltd.
- Masashi KATOH
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SEPARATION MEMBER, SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORM...
- Publication number 20180299809
- Publication date Oct 18, 2018
- Seiji Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180081309
- Publication date Mar 22, 2018
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170357197
- Publication date Dec 14, 2017
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269522
- Publication date Sep 21, 2017
- RICOH COMPANY, LTD.
- Keisuke KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269525
- Publication date Sep 21, 2017
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269524
- Publication date Sep 21, 2017
- Kensuke YAMAJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269526
- Publication date Sep 21, 2017
- Shuutaroh YUASA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND RECORDING MEDIUM...
- Publication number 20170052492
- Publication date Feb 23, 2017
- Hiroshi KAWABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160306304
- Publication date Oct 20, 2016
- RICOH COMPANY, LTD.
- Kaori HEMMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160306306
- Publication date Oct 20, 2016
- RICOH COMPANY, LTD.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20160209789
- Publication date Jul 21, 2016
- Ricoh Company, Ltd.
- Kenji NOZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160170348
- Publication date Jun 16, 2016
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160170350
- Publication date Jun 16, 2016
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160139549
- Publication date May 19, 2016
- Kenji NOZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160070218
- Publication date Mar 10, 2016
- RICOH COMPANY, LTD.
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COOLING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE COOLIN...
- Publication number 20160026125
- Publication date Jan 28, 2016
- Kenji ISHII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261154
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Kenji NOZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261183
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Yuuki KIKUSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150253708
- Publication date Sep 10, 2015
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONTROL METHOD, FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORA...
- Publication number 20140029991
- Publication date Jan 30, 2014
- RICOH COMPANY, LTD.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING SYSTEM CONTROL METHOD, FIXING DEVICE, AND IMAGE FORMING AP...
- Publication number 20130045031
- Publication date Feb 21, 2013
- RICOH COMPANY, LTD.
- Atsushi NAGATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning System, Fixing Device, And Image Forming Apparatus Incorpo...
- Publication number 20120219335
- Publication date Aug 30, 2012
- RICOH COMPANY, LTD.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device, fixing device control method, and image forming appa...
- Publication number 20120087688
- Publication date Apr 12, 2012
- RICOH COMPANY, LTD.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110311249
- Publication date Dec 22, 2011
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING VA...
- Publication number 20090274477
- Publication date Nov 5, 2009
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus capable of effectively ci...
- Publication number 20090274497
- Publication date Nov 5, 2009
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Keisuke Kubota

Person

Patents Grantslast 30 patents

Work vehicle, lever unit, and actuator automatic control method

Work vehicle and method for controlling work vehicle

Separation member, separation device, fixing device, and image form...

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus including a fixing belt,...

Fixing device and image forming apparatus

Fixing device and image forming apparatus with a movable presser wh...

Fixing device and image forming apparatus that include a separation...

Image forming apparatus, image forming method, and recording medium...

Fixing device and image forming apparatus

Cooling device and image forming apparatus incorporating the coolin...

Fixing device and image forming apparatus

Fixing device including a separator to separate a recording medium...

Fixing device and image forming apparatus

Fixing device and image forming apparatus that include a separator...

Fixing device and image forming apparatus

Control method, fixing device and image forming apparatus incorpora...

Cleaning system, fixing device, and image forming apparatus incorpo...

Cleaning system control method, fixing device, and image forming ap...

Cleaning system control method, fixing device, and image forming ap...

Fixing device, fixing device control method, and image forming appa...

Fixing device and image forming apparatus capable of suppressing va...

Image forming apparatus

Fixing device and image forming apparatus capable of effectively ci...

Fixing device and image forming apparatus capable of adjusting amou...

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

Fixing device and image forming apparatus with improved mechanism f...

Image forming apparatus capable of stably applying oil for fixing

Patents Applicationslast 30 patents

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME

WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE

WORK VEHICLE, LEVER UNIT, AND ACTUATOR AUTOMATIC CONTROL METHOD

WORK VEHICLE AND METHOD FOR CONTROLLING WORK VEHICLE

SEPARATION MEMBER, SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORM...

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

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND RECORDING MEDIUM...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

SHEET SEPARATION DEVICE, 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

COOLING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE COOLIN...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

CONTROL METHOD, FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORA...

CLEANING SYSTEM CONTROL METHOD, FIXING DEVICE, AND IMAGE FORMING AP...

Cleaning System, Fixing Device, And Image Forming Apparatus Incorpo...

Fixing device, fixing device control method, and image forming appa...

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING VA...

Fixing device and image forming apparatus capable of effectively ci...