Yasuhide OHKUBO

Person

Toyonaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device having a powder conveyor, process cartridge, and...
- Patent number 9,500,992
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer amount detector, developing device, process unit, and ima...
- Patent number 9,261,816
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Kohta Sakaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 9,229,372
- Issue date Jan 5, 2016
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container, process cartridge, and image forming apparatus
- Patent number 9,201,393
- Issue date Dec 1, 2015
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Seal and image forming device including a seal
- Patent number 8,953,975
- Issue date Feb 10, 2015
- Ricoh Company, Ltd.
- Yasuhide Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Media guide mechanism, fixing device and image forming apparatus in...
- Patent number 8,874,021
- Issue date Oct 28, 2014
- Ricoh Company, Ltd.
- Kohta Sakaya
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus, optional sheet feeder, and base plate member
- Patent number 8,807,552
- Issue date Aug 19, 2014
- Ricoh Company, Limited
- Kazuyoshi Kondo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Manual sheet-feeding device and image forming apparatus
- Patent number 8,678,371
- Issue date Mar 25, 2014
- Ricoh Company, Limited
- Shigeo Nanno
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Open/close mechanism for paper tray for use in image forming apparatus
- Patent number 8,561,979
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper feeder assembly for image forming apparatus, and image formin...
- Patent number 8,356,813
- Issue date Jan 22, 2013
- Ricoh Company, Ltd.
- Yasuhide Ohkubo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device and image forming apparatus
- Patent number 8,320,798
- Issue date Nov 27, 2012
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device
- Patent number 8,260,187
- Issue date Sep 4, 2012
- Ricoh Company, Ltd.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Feeding device and image forming apparatus
- Patent number 8,256,769
- Issue date Sep 4, 2012
- Ricoh Company, Ltd.
- Masafumi Takahira
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet feeding device and image forming apparatus
- Patent number 8,240,657
- Issue date Aug 14, 2012
- Ricoh Company, Ltd.
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Open/close mechanism for paper tray for use in image forming apparatus
- Patent number 8,118,296
- Issue date Feb 21, 2012
- Ricoh Company, Ltd.
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Switchback mechanism and image forming apparatus
- Patent number 8,070,159
- Issue date Dec 6, 2011
- Ricoh Company, Limited
- Haruyuki Honda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device and image forming apparatus
- Patent number 8,045,888
- Issue date Oct 25, 2011
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet feeding device, image forming apparatus, and sheet feeding me...
- Patent number 7,992,860
- Issue date Aug 9, 2011
- Ricoh Company, Ltd.
- Ippei Kimura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet loading device, sheet conveying device, and image forming app...
- Patent number 7,963,520
- Issue date Jun 21, 2011
- Ricoh Company, Limited
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Feeding device and image forming apparatus
- Patent number 7,954,814
- Issue date Jun 7, 2011
- Ricoh Company, Ltd.
- Masafumi Takahira
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Switchback mechanism and image forming apparatus
- Patent number 7,918,451
- Issue date Apr 5, 2011
- Ricoh Company, Limited
- Haruyuki Honda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus having removable units
- Patent number 7,878,725
- Issue date Feb 1, 2011
- Ricoh Company, Ltd.
- Yasuhide Ohkubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Manual sheet-feeding device and image forming apparatus
- Patent number 7,784,780
- Issue date Aug 31, 2010
- Ricoh Company, Limited
- Shigeo Nanno
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sliding mechanism, sheet guide, sheet loading device, and image for...
- Patent number 7,731,182
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Toshikane Nishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Open/close mechanism for paper tray for use in image forming apparatus
- Patent number 7,731,170
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying apparatus and image forming apparatus with vibratio...
- Patent number 7,677,555
- Issue date Mar 16, 2010
- Ricoh Company, Limited
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus including cover and supporting unit
- Patent number 7,676,176
- Issue date Mar 9, 2010
- Ricoh Company, Limited
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
POWDER CONVEYOR, POWDER CONVEYING DEVICE, DEVELOPING DEVICE, PROCES...
- Publication number 20150286163
- Publication date Oct 8, 2015
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20150132026
- Publication date May 14, 2015
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER AMOUNT DETECTOR, DEVELOPING DEVICE, PROCESS UNIT, AND IMA...
- Publication number 20150132018
- Publication date May 14, 2015
- Kohta SAKAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20150063865
- Publication date Mar 5, 2015
- Yuusuke FURUICHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEAL AND IMAGE FORMING DEVICE INCLUDING A SEAL
- Publication number 20140140722
- Publication date May 22, 2014
- Yasuhide OHKUBO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MEDIA GUIDE MECHANISM, FIXING DEVICE AND IMAGE FORMING APPARATUS IN...
- Publication number 20130004222
- Publication date Jan 3, 2013
- RICOH COMPANY, LTD.
- Kohta Sakaya
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
OPEN/CLOSE MECHANISM FOR PAPER TRAY FOR USE IN IMAGE FORMING APPARATUS
- Publication number 20120104685
- Publication date May 3, 2012
- RICOH COMPANY, LTD.
- Toshikane NISHII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet conveying device and image forming apparatus
- Publication number 20120007307
- Publication date Jan 12, 2012
- Shigeo NANNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Paper feeder assembly for image forming apparatus, and image formin...
- Publication number 20110221126
- Publication date Sep 15, 2011
- RICOH COMPANY, LIMITED
- Yasuhide Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Feeding device and image forming apparatus
- Publication number 20110204556
- Publication date Aug 25, 2011
- Masafumi Takahira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Switchback mechanism and image forming apparatus
- Publication number 20110127707
- Publication date Jun 2, 2011
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Manual sheet-feeding device and image forming apparatus
- Publication number 20100276874
- Publication date Nov 4, 2010
- Shigeo Nanno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image forming system
- Publication number 20100225041
- Publication date Sep 9, 2010
- Ricoh Company, Limited
- Yasuo Matsuyama
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Open/close mechanism for paper tray for use in image forming apparatus
- Publication number 20100201059
- Publication date Aug 12, 2010
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet conveying device and image forming apparatus
- Publication number 20100192710
- Publication date Aug 5, 2010
- Ricoh Company, Limited
- Toru Hanashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet feeding device, image forming apparatus, and sheet feeding me...
- Publication number 20090315250
- Publication date Dec 24, 2009
- Ricoh Company, Ltd.
- Ippei Kimura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Image forming apparatus, optional sheet feeder, and base plate member
- Publication number 20090302521
- Publication date Dec 10, 2009
- Ricoh Company, Limited
- Kazuyoshi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet conveying apparatus and image forming apparatus
- Publication number 20090174135
- Publication date Jul 9, 2009
- Ricoh Company, Limited
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING METHOD
- Publication number 20090162772
- Publication date Jun 25, 2009
- Kazuoki FUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet feeding device and image forming apparatus
- Publication number 20090121418
- Publication date May 14, 2009
- Ricoh Company, Ltd.
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Image forming device
- Publication number 20090110459
- Publication date Apr 30, 2009
- Ricoh Company, Ltd.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20090056484
- Publication date Mar 5, 2009
- RICOH LIMITED, LIMITED
- Toru Hanashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20090022514
- Publication date Jan 22, 2009
- Ricoh Company, Limited
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Switchback mechanism and image forming apparatus
- Publication number 20080284090
- Publication date Nov 20, 2008
- Ricoh Company, Limited
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet discharging device and image forming apparatus
- Publication number 20080273908
- Publication date Nov 6, 2008
- Ricoh Company, Limited
- Yasuhide Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet loading device, sheet conveying device, and image forming app...
- Publication number 20080237970
- Publication date Oct 2, 2008
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Feeding device and image forming apparatus
- Publication number 20080224385
- Publication date Sep 18, 2008
- Ricoh Company, Limited
- Masafumi Takahira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sliding Mechanism, sheet guide, sheet loading device, and image for...
- Publication number 20080143046
- Publication date Jun 19, 2008
- Toshikane Nishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Open/close mechanism for paper tray for use in image forming apparatus
- Publication number 20080054554
- Publication date Mar 6, 2008
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080006166
- Publication date Jan 10, 2008
- Yasuhide Ohkubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Yasuhide OHKUBO

Person

Patents Grantslast 30 patents

Developing device having a powder conveyor, process cartridge, and...

Developer amount detector, developing device, process unit, and ima...

Developing device, process cartridge, and image forming apparatus

Toner container, process cartridge, and image forming apparatus

Seal and image forming device including a seal

Media guide mechanism, fixing device and image forming apparatus in...

Image forming apparatus, optional sheet feeder, and base plate member

Manual sheet-feeding device and image forming apparatus

Open/close mechanism for paper tray for use in image forming apparatus

Paper feeder assembly for image forming apparatus, and image formin...

Sheet conveying device and image forming apparatus

Image forming device

Feeding device and image forming apparatus

Sheet feeding device and image forming apparatus

Open/close mechanism for paper tray for use in image forming apparatus

Switchback mechanism and image forming apparatus

Sheet conveying device and image forming apparatus

Sheet feeding device, image forming apparatus, and sheet feeding me...

Sheet loading device, sheet conveying device, and image forming app...

Feeding device and image forming apparatus

Switchback mechanism and image forming apparatus

Image forming apparatus having removable units

Manual sheet-feeding device and image forming apparatus

Sliding mechanism, sheet guide, sheet loading device, and image for...

Open/close mechanism for paper tray for use in image forming apparatus

Sheet conveying apparatus and image forming apparatus with vibratio...

Image forming apparatus including cover and supporting unit

Patents Applicationslast 30 patents

POWDER CONVEYOR, POWDER CONVEYING DEVICE, DEVELOPING DEVICE, PROCES...

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPER AMOUNT DETECTOR, DEVELOPING DEVICE, PROCESS UNIT, AND IMA...

TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

SEAL AND IMAGE FORMING DEVICE INCLUDING A SEAL

MEDIA GUIDE MECHANISM, FIXING DEVICE AND IMAGE FORMING APPARATUS IN...

OPEN/CLOSE MECHANISM FOR PAPER TRAY FOR USE IN IMAGE FORMING APPARATUS

Sheet conveying device and image forming apparatus

Paper feeder assembly for image forming apparatus, and image formin...

Feeding device and image forming apparatus

Switchback mechanism and image forming apparatus

Manual sheet-feeding device and image forming apparatus

Image forming system

Open/close mechanism for paper tray for use in image forming apparatus

Sheet conveying device and image forming apparatus

Sheet feeding device, image forming apparatus, and sheet feeding me...

Image forming apparatus, optional sheet feeder, and base plate member

Sheet conveying apparatus and image forming apparatus

IMAGE FORMING METHOD

Sheet feeding device and image forming apparatus

Image forming device

Image forming apparatus

Image forming apparatus

Switchback mechanism and image forming apparatus

Sheet discharging device and image forming apparatus

Sheet loading device, sheet conveying device, and image forming app...

Feeding device and image forming apparatus

Sliding Mechanism, sheet guide, sheet loading device, and image for...

Open/close mechanism for paper tray for use in image forming apparatus

Image forming apparatus