Fumihito Itoh

Person

Tokyo-to, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lubrication device and image forming apparatus incorporating same
- Patent number 9,360,826
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Tomohiko Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Waste toner conveying device and image forming apparatus using the...
- Patent number 9,158,266
- Issue date Oct 13, 2015
- Ricoh Company, Limited
- Atsushi Satoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, image forming apparatus, and charging unit
- Patent number 9,152,073
- Issue date Oct 6, 2015
- Ricoh Company, Limited
- Takamichi Orikasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device, process cartridge incorporating same, and image fo...
- Patent number 9,098,049
- Issue date Aug 4, 2015
- Ricoh Company, Ltd.
- Akira Asaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, image forming apparatus, and method of mounti...
- Patent number 8,655,254
- Issue date Feb 18, 2014
- Ricoh Company, Limited
- Yuji Arai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Cleaning device including cleaning mechanism having noise reduction...
- Patent number 8,565,661
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device
- Patent number 8,391,732
- Issue date Mar 5, 2013
- Ricoh Company, Limited
- Kenji Honjoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Collection container, cleaning unit, and image forming apparatus ca...
- Patent number 8,369,770
- Issue date Feb 5, 2013
- Ricoh Company, Ltd.
- Michiya Okamoto
- 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
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
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...
Information Patent Grant
Image forming device, powder supply device, and powder storage unit...
- Patent number 7,869,746
- Issue date Jan 11, 2011
- Ricoh Company, Ltd.
- Fumihito Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder supplying device and image forming device
- Patent number 7,826,778
- Issue date Nov 2, 2010
- Ricoh Company, Ltd.
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging apparatus having particle supply and collection apparatus a...
- Patent number 7,773,918
- Issue date Aug 10, 2010
- Ricoh Company, Ltd.
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder transport device and image forming system
- Patent number 7,587,152
- Issue date Sep 8, 2009
- Ricoh Company, Ltd.
- Fumihito Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Particle supply apparatus and imaging apparatus having a gas spouti...
- Patent number 7,489,892
- Issue date Feb 10, 2009
- Ricoh Company, Ltd.
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Particle supply apparatus, imaging apparatus, and monitoring system
- Patent number 7,463,853
- Issue date Dec 9, 2008
- Ricoh Company, Ltd.
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner refilling device and developing device using the same for an...
- Patent number 6,859,634
- Issue date Feb 22, 2005
- Ricoh Company, Ltd.
- Fumihito Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and apparatus with toner recycling unit
- Patent number 6,577,842
- Issue date Jun 10, 2003
- Ricoh Company, Ltd.
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder pump and image forming apparatus having the powder pump and...
- Patent number 5,950,055
- Issue date Sep 7, 1999
- Ricoh Company, Ltd.
- Masazumi Yahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner sorting device for separating reusable toner from used toner...
- Patent number 5,950,062
- Issue date Sep 7, 1999
- Ricoh Co., Ltd.
- Masasumi Yahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and its control system having a single devi...
- Patent number 5,596,395
- Issue date Jan 21, 1997
- Ricoh Company, Ltd.
- Tadahide Sawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
LUBRICATION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150160600
- Publication date Jun 11, 2015
- RICOH COMPANY, LTD.
- Tomohiko SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE FO...
- Publication number 20150063887
- Publication date Mar 5, 2015
- RICOH COMPANY, LTD.
- Akira ASAOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WASTE TONER CONVEYING DEVICE AND IMAGE FORMING APPARATUS USING THE...
- Publication number 20140169852
- Publication date Jun 19, 2014
- RICOH COMPANY, LIMITED
- Atsushi SATOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE, IMAGE FORMING APPARATUS, AND CHARGING UNIT
- Publication number 20140079431
- Publication date Mar 20, 2014
- RICOH COMPANY, LIMITED
- Takamichi ORIKASA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant applicator, image forming apparatus, and method of mounti...
- Publication number 20110076075
- Publication date Mar 31, 2011
- Ricoh Company, Limited
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming device
- Publication number 20110052225
- Publication date Mar 3, 2011
- Ricoh Company, Limited
- Kenji Honjoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Collection container, cleaning unit, and image forming apparatus ca...
- Publication number 20100080600
- Publication date Apr 1, 2010
- Ricoh Company, Ltd.
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device including cleaning mechanism having noise reduction...
- Publication number 20100074665
- Publication date Mar 25, 2010
- Ricoh Company, Ltd.
- Michiya Okamoto
- 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...
Information Patent Application
LUBRICANT APPLYING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APP...
- Publication number 20090241830
- Publication date Oct 1, 2009
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS INC...
- Publication number 20090185842
- Publication date Jul 23, 2009
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PARTICLE SUPPLY APPARATUS AND IMAGING APPARATUS
- Publication number 20090129838
- Publication date May 21, 2009
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Power Supplying Device and Image Forming Device
- Publication number 20080193161
- Publication date Aug 14, 2008
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE, POWDER SUPPLY DEVICE, AND POWDER STORAGE UNIT
- Publication number 20070212116
- Publication date Sep 13, 2007
- Fumihito Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER TRANSPORT DEVICE AND IMAGE FORMING SYSTEM
- Publication number 20070212117
- Publication date Sep 13, 2007
- Fumihito Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PARTICLE SUPPLY APPARATUS, IMAGING APPARATUS, AND MONITORING SYSTEM
- Publication number 20070201904
- Publication date Aug 30, 2007
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PARTICLE SUPPLY APPARATUS AND IMAGING APPARATUS
- Publication number 20070201905
- Publication date Aug 30, 2007
- Hiroshi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner refilling device and developing device using the same for an...
- Publication number 20030170049
- Publication date Sep 11, 2003
- Fumihito Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method and apparatus with toner recycling unit
- Publication number 20020064408
- Publication date May 30, 2002
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Fumihito Itoh

Person

Patents Grantslast 30 patents

Lubrication device and image forming apparatus incorporating same

Waste toner conveying device and image forming apparatus using the...

Charging device, image forming apparatus, and charging unit

Cleaning device, process cartridge incorporating same, and image fo...

Lubricant applicator, image forming apparatus, and method of mounti...

Cleaning device including cleaning mechanism having noise reduction...

Image forming device

Collection container, cleaning unit, and image forming apparatus ca...

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

Process cartridge and image forming apparatus employing same

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

Lubricant applicator and image forming apparatus including same

Image forming device, powder supply device, and powder storage unit...

Powder supplying device and image forming device

Imaging apparatus having particle supply and collection apparatus a...

Powder transport device and image forming system

Particle supply apparatus and imaging apparatus having a gas spouti...

Particle supply apparatus, imaging apparatus, and monitoring system

Toner refilling device and developing device using the same for an...

Image forming method and apparatus with toner recycling unit

Powder pump and image forming apparatus having the powder pump and...

Toner sorting device for separating reusable toner from used toner...

Image forming apparatus and its control system having a single devi...

Patents Applicationslast 30 patents

LUBRICATION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

CLEANING DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE FO...

WASTE TONER CONVEYING DEVICE AND IMAGE FORMING APPARATUS USING THE...

CHARGING DEVICE, IMAGE FORMING APPARATUS, AND CHARGING UNIT

Lubricant applicator, image forming apparatus, and method of mounti...

Image forming device

Collection container, cleaning unit, and image forming apparatus ca...

Cleaning device including cleaning mechanism having noise reduction...

Process cartridge and image forming apparatus employing same

LUBRICANT APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME

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

CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS INC...

PARTICLE SUPPLY APPARATUS AND IMAGING APPARATUS

Power Supplying Device and Image Forming Device

IMAGE FORMING DEVICE, POWDER SUPPLY DEVICE, AND POWDER STORAGE UNIT

POWDER TRANSPORT DEVICE AND IMAGE FORMING SYSTEM

PARTICLE SUPPLY APPARATUS, IMAGING APPARATUS, AND MONITORING SYSTEM

PARTICLE SUPPLY APPARATUS AND IMAGING APPARATUS

Toner refilling device and developing device using the same for an...

Image forming method and apparatus with toner recycling unit