Nobuo KUWABARA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus with a door on a body and cover inside the...
- Patent number 12,235,604
- Issue date Feb 25, 2025
- Ricoh Company, Ltd.
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Snap ring, rotator device, fixing device, and image forming apparatus
- Patent number 11,256,202
- Issue date Feb 22, 2022
- Ricoh Company, Ltd.
- Yohhei Watanabe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Charging device, process cartridge, and image forming apparatus
- Patent number 10,481,515
- Issue date Nov 19, 2019
- Ricoh Company, Ltd.
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device, process cartridge incorporating the cleaning devic...
- Patent number 10,042,314
- Issue date Aug 7, 2018
- Ricoh Company, Ltd.
- Daisuke Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device including roller, and image forming apparatus and process ca...
- Patent number 9,958,823
- Issue date May 1, 2018
- Ricoh Company, Ltd.
- Daisuke Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which controls the rotation speed of a lubr...
- Patent number 9,798,288
- Issue date Oct 24, 2017
- Ricoh Company, Ltd.
- Yasuhiro Maehata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,696,648
- Issue date Jul 4, 2017
- Ricoh Company, Ltd.
- Yasuhiro Maehata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, process cartridge and image forming app...
- Patent number 9,383,715
- Issue date Jul 5, 2016
- Ricoh Company, Ltd.
- Kenji Honjoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,367,021
- Issue date Jun 14, 2016
- Ricoh Company, Ltd.
- Yusuke Ishizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supply device, process unit, image forming apparatus, and...
- Patent number 9,207,625
- Issue date Dec 8, 2015
- Ricoh Company, Ltd.
- Ryohta Gotoh
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Waste-toner conveyance device and image forming apparatus
- Patent number 9,158,267
- Issue date Oct 13, 2015
- Ricoh Company, Ltd.
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supply system, image forming apparatus, and process cartr...
- Patent number 9,128,452
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Satoshi Hatori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Image forming apparatus having replaceable modules
- Patent number 8,958,719
- Issue date Feb 17, 2015
- Ricoh Company, Limited
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with neutralizer and image forming method
- Patent number 8,913,923
- Issue date Dec 16, 2014
- Ricoh Company, Ltd.
- Akio Kosuge
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device, process cartridge, and image forming apparatus
- Patent number 8,761,654
- Issue date Jun 24, 2014
- Ricoh Company, Ltd.
- Shinichi Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,725,009
- Issue date May 13, 2014
- Ricoh Company, Limited
- Daisuke Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supply device, process cartridge, and image forming appar...
- Patent number 8,718,530
- Issue date May 6, 2014
- Ricoh Company, Ltd.
- Norio Kudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, process cartridge, and image forming ap...
- Patent number 8,712,261
- Issue date Apr 29, 2014
- Ricoh Company, Limited
- Norio Kudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,457,541
- Issue date Jun 4, 2013
- Ricoh Company, Limited
- Akio Kosuge
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Waste toner container and image forming apparatus incorporating same
- Patent number 8,428,475
- Issue date Apr 23, 2013
- Ricoh Company, Ltd.
- Daisuke Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, image forming apparatus, and process cartridge
- Patent number 8,380,115
- Issue date Feb 19, 2013
- Ricoh Company, Limited
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning unit, process cartridge incorporating same, and image form...
- Patent number 8,315,535
- Issue date Nov 20, 2012
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,280,293
- Issue date Oct 2, 2012
- Ricoh Company, Limited
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Waste toner storage unit and image forming apparatus using same
- Patent number 8,254,823
- Issue date Aug 28, 2012
- Ricoh Company, Ltd.
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device with accumulation prevention, process cartridge, an...
- Patent number 8,204,423
- Issue date Jun 19, 2012
- Ricoh Company, Ltd.
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Used toner collection device and image forming apparatus
- Patent number 8,185,032
- Issue date May 22, 2012
- Ricoh Company, Limited
- Hiroshi Ono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus employing same
- Patent number 8,090,293
- Issue date Jan 3, 2012
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applying device, process cartridge, and image forming app...
- Patent number 8,041,280
- Issue date Oct 18, 2011
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, process cartridge, and lubricant applicator
- Patent number 7,953,362
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator and image forming apparatus including same
- Patent number 7,953,363
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Kenji Honjoh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
INTERMEDIATE TRANSFER UNIT AND IMAGE FORMING APPARATUS
- Publication number 20250036070
- Publication date Jan 30, 2025
- RICOH COMPANY, LTD.
- Nobuo KUWABARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TENSION ROLLER ASSEMBLY, BELT UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20250036045
- Publication date Jan 30, 2025
- RICOH COMPANY, LTD.
- Nobuo KUWABARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240337968
- Publication date Oct 10, 2024
- Michiharu SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240118654
- Publication date Apr 11, 2024
- Nobuo KUWABARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SNAP RING, ROTATOR DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20210200124
- Publication date Jul 1, 2021
- RICOH COMPANY, LTD.
- Yohhei WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20190258188
- Publication date Aug 22, 2019
- RICOH COMPANY, LTD.
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE INCORPORATING THE CLEANING DEVIC...
- Publication number 20180046128
- Publication date Feb 15, 2018
- RICOH COMPANY, LTD.
- Daisuke TOMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVICE INCLUDING ROLLER, AND IMAGE FORMING APPARATUS AND PROCESS CA...
- Publication number 20170102663
- Publication date Apr 13, 2017
- Daisuke TOMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160334757
- Publication date Nov 17, 2016
- Yasuhiro MAEHATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160209771
- Publication date Jul 21, 2016
- RICOH COMPANY, LTD.
- Yasuhiro Maehata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APP...
- Publication number 20160139555
- Publication date May 19, 2016
- Kenji Honjoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150227107
- Publication date Aug 13, 2015
- RICOH COMPANY, LTD.
- Yusuke ISHIZUKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WASTE-TONER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150078795
- Publication date Mar 19, 2015
- RICOH COMPANY, LTD.
- Nobuo KUWABARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLY SYSTEM, IMAGE FORMING APPARATUS, AND PROCESS CARTR...
- Publication number 20140363178
- Publication date Dec 11, 2014
- Satoshi HATORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLY DEVICE, PROCESS UNIT, IMAGE FORMING APPARATUS, AND...
- Publication number 20140270881
- Publication date Sep 18, 2014
- RICOH COMPANY, LTD.
- Ryohta GOTOH
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
IMAGE FORMING APPARATUS WITH NEUTRALIZER AND IMAGE FORMING METHOD
- Publication number 20120328332
- Publication date Dec 27, 2012
- Akio KOSUGE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING AP...
- Publication number 20120321330
- Publication date Dec 20, 2012
- Norio KUDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLY DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPAR...
- Publication number 20120315053
- Publication date Dec 13, 2012
- RICOH COMPANY, LTD.
- Norio Kudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120195664
- Publication date Aug 2, 2012
- RICOH COMPANY, LIMITED
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120163837
- Publication date Jun 28, 2012
- Daisuke Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20120134725
- Publication date May 31, 2012
- Shinichi KAWAHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Waste toner container and image forming apparatus incorporating same
- Publication number 20110091227
- Publication date Apr 21, 2011
- Ricoh Company, Ltd.
- Daisuke Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20110026992
- Publication date Feb 3, 2011
- Ricoh Company, Limited
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100215397
- Publication date Aug 26, 2010
- Atsushi Sampe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning unit, process cartriedge incorporating same, and image for...
- Publication number 20100189461
- Publication date Jul 29, 2010
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant applicator, image forming apparatus, and process cartridge
- Publication number 20100183349
- Publication date Jul 22, 2010
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100129126
- Publication date May 27, 2010
- Akio KOSUGE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100129113
- Publication date May 27, 2010
- Atsushi Sampe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process cartridge and image forming apparatus employing same
- Publication number 20100034557
- Publication date Feb 11, 2010
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20100021205
- Publication date Jan 28, 2010
- Kenji Honjoh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Nobuo KUWABARA

Person

Patents Grantslast 30 patents

Image forming apparatus with a door on a body and cover inside the...

Snap ring, rotator device, fixing device, and image forming apparatus

Charging device, process cartridge, and image forming apparatus

Cleaning device, process cartridge incorporating the cleaning devic...

Device including roller, and image forming apparatus and process ca...

Image forming apparatus which controls the rotation speed of a lubr...

Image forming apparatus

Lubricant supplying device, process cartridge and image forming app...

Image forming apparatus

Lubricant supply device, process unit, image forming apparatus, and...

Waste-toner conveyance device and image forming apparatus

Lubricant supply system, image forming apparatus, and process cartr...

Image forming apparatus having replaceable modules

Image forming apparatus with neutralizer and image forming method

Cleaning device, process cartridge, and image forming apparatus

Image forming apparatus

Lubricant supply device, process cartridge, and image forming appar...

Lubricant supplying device, process cartridge, and image forming ap...

Image forming apparatus

Waste toner container and image forming apparatus incorporating same

Lubricant applicator, image forming apparatus, and process cartridge

Cleaning unit, process cartridge incorporating same, and image form...

Image forming apparatus

Waste toner storage unit and image forming apparatus using same

Cleaning device with accumulation prevention, process cartridge, an...

Used toner collection device and image forming apparatus

Process cartridge and image forming apparatus employing same

Lubricant applying device, process cartridge, and image forming app...

Image forming apparatus, process cartridge, and lubricant applicator

Lubricant applicator and image forming apparatus including same

Patents Applicationslast 30 patents

INTERMEDIATE TRANSFER UNIT AND IMAGE FORMING APPARATUS

TENSION ROLLER ASSEMBLY, BELT UNIT, AND IMAGE FORMING APPARATUS

DEVELOPER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

SNAP RING, ROTATOR DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CLEANING DEVICE, PROCESS CARTRIDGE INCORPORATING THE CLEANING DEVIC...

DEVICE INCLUDING ROLLER, AND IMAGE FORMING APPARATUS AND PROCESS CA...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

LUBRICANT SUPPLYING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APP...

IMAGE FORMING APPARATUS

WASTE-TONER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS

LUBRICANT SUPPLY SYSTEM, IMAGE FORMING APPARATUS, AND PROCESS CARTR...

LUBRICANT SUPPLY DEVICE, PROCESS UNIT, IMAGE FORMING APPARATUS, AND...

IMAGE FORMING APPARATUS WITH NEUTRALIZER AND IMAGE FORMING METHOD

LUBRICANT SUPPLYING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING AP...

LUBRICANT SUPPLY DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPAR...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Waste toner container and image forming apparatus incorporating same

Image forming apparatus

IMAGE FORMING APPARATUS

Cleaning unit, process cartriedge incorporating same, and image for...

Lubricant applicator, image forming apparatus, and process cartridge

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

Process cartridge and image forming apparatus employing same

LUBRICANT APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME