Kei Yasutomi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image processing apparatus, image processing method, recording medi...
- Patent number 10,129,437
- Issue date Nov 13, 2018
- Ricoh Company, Ltd.
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus and image processing method
- Patent number 9,323,490
- Issue date Apr 26, 2016
- Ricoh Company, Limited
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing device, image processing method, and image forming...
- Patent number 9,245,319
- Issue date Jan 26, 2016
- Ricoh Company, Limited
- Kei Yasutomi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image capture apparatus, image capture system, and image capture me...
- Patent number 8,908,234
- Issue date Dec 9, 2014
- Ricoh Company, Limited
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and image forming information processing ap...
- Patent number 8,897,689
- Issue date Nov 25, 2014
- Ricoh Company, Ltd.
- Takuroh Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus and image forming apparatus for performi...
- Patent number 8,773,721
- Issue date Jul 8, 2014
- Ricoh Company, Limited
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of manufacturing transfer sheet and transfer sheet
- Patent number 8,747,944
- Issue date Jun 10, 2014
- Ricoh Company, Ltd.
- Kazuki Funahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pseudo-halftoning device, image forming apparatus, and image formin...
- Patent number 8,553,287
- Issue date Oct 8, 2013
- Ricoh Company, Limited
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus for controlling image clarity using clear t...
- Patent number 8,503,919
- Issue date Aug 6, 2013
- Ricoh Company, Limited
- Takuroh Sone
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,331,812
- Issue date Dec 11, 2012
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for controlling glossiness of an image
- Patent number 8,180,270
- Issue date May 15, 2012
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for fixing an image
- Patent number 8,126,346
- Issue date Feb 28, 2012
- Ricoh Company, Ltd.
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Filling-rate lowering and rolling rate adjusting image forming appa...
- Patent number 7,822,351
- Issue date Oct 26, 2010
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device
- Patent number 7,787,815
- Issue date Aug 31, 2010
- Ricoh Company, Ltd.
- Reki Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for driving rotary body with mechanism for dampening fluctua...
- Patent number 7,751,746
- Issue date Jul 6, 2010
- Ricoh Company, Limited
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dither matrix producing method and apparatus, image processing meth...
- Patent number 7,746,502
- Issue date Jun 29, 2010
- Ricoh Company, Ltd.
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Corona charger having two charging regions
- Patent number 7,738,813
- Issue date Jun 15, 2010
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method using pseudo half...
- Patent number 7,724,394
- Issue date May 25, 2010
- Ricoh Company, Limited
- Kei Yasutomi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Gloss providing sheet and image formation apparatus
- Patent number 7,657,218
- Issue date Feb 2, 2010
- Ricoh Company Ltd.
- Hitoshi Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 7,643,179
- Issue date Jan 5, 2010
- Ricoh Company, Ltd.
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for fixing an image
- Patent number 7,620,336
- Issue date Nov 17, 2009
- Ricoh Co., Ltd.
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 7,551,868
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with superimposed dark and light toner images
- Patent number 7,463,837
- Issue date Dec 9, 2008
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus using an electrophotographic process
- Patent number 7,403,735
- Issue date Jul 22, 2008
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 7,212,753
- Issue date May 1, 2007
- Ricoh Company, Limited
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,978,109
- Issue date Dec 20, 2005
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method and a developing device for image forming apparatus
- Patent number 6,819,901
- Issue date Nov 16, 2004
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,800,410
- Issue date Oct 5, 2004
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing device with a magnet brush
- Patent number 6,778,805
- Issue date Aug 17, 2004
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,757,509
- Issue date Jun 29, 2004
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, RECORDING MEDI...
- Publication number 20170244867
- Publication date Aug 24, 2017
- RICOH COMPANY, LTD.
- Kei YASUTOMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING APPARATUS
- Publication number 20150071562
- Publication date Mar 12, 2015
- RICOH COMPANY, LIMITED
- Kei YASUTOMI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
- Publication number 20140293341
- Publication date Oct 2, 2014
- RICOH COMPANY, LIMITED
- Kei YASUTOMI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND IMAGE FORMING...
- Publication number 20140044373
- Publication date Feb 13, 2014
- Kei YASUTOMI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE CAPTURE APPARATUS, IMAGE CAPTURE SYSTEM, AND IMAGE CAPTURE ME...
- Publication number 20130286445
- Publication date Oct 31, 2013
- Kei YASUTOMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING INFORMATION PROCESSING AP...
- Publication number 20120320386
- Publication date Dec 20, 2012
- RICOH COMPANY, LTD.
- Takuroh Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF MANUFACTURING TRANSFER SHEET AND TRANSFER SHEET
- Publication number 20120237698
- Publication date Sep 20, 2012
- RICOH COMPANY, LTD.
- Kazuki Funahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Pseudo-halftoning device, image forming apparatus, and image formin...
- Publication number 20110222125
- Publication date Sep 15, 2011
- RICOH COMPANY, LIMITED
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110206401
- Publication date Aug 25, 2011
- Takuroh SONE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100215384
- Publication date Aug 26, 2010
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR FIXING AN IMAGE
- Publication number 20100021195
- Publication date Jan 28, 2010
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20100002265
- Publication date Jan 7, 2010
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090074431
- Publication date Mar 19, 2009
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090003904
- Publication date Jan 1, 2009
- Kei YASUTOMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Driving device or image forming apparatus
- Publication number 20080261768
- Publication date Oct 23, 2008
- Ricoh Company, Limited
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD
- Publication number 20080219702
- Publication date Sep 11, 2008
- Takeo TSUKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CORONA CHARGER AND IMAGE FORMING APPARATUS USING THE SAME
- Publication number 20080118275
- Publication date May 22, 2008
- Kei YASUTOMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Gloss providing sheet and image formation apparatus
- Publication number 20080056785
- Publication date Mar 6, 2008
- Ricoh Company, Limited
- Hitoshi Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE
- Publication number 20080056784
- Publication date Mar 6, 2008
- Reki Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20080013975
- Publication date Jan 17, 2008
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20070103730
- Publication date May 10, 2007
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus and image forming apparatus
- Publication number 20060279589
- Publication date Dec 14, 2006
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20060188274
- Publication date Aug 24, 2006
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image forming method, and recording medium
- Publication number 20060066910
- Publication date Mar 30, 2006
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for fixing an image
- Publication number 20050254846
- Publication date Nov 17, 2005
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Dither matrix producing method and apparatus, image processing meth...
- Publication number 20050219628
- Publication date Oct 6, 2005
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus and process cartridge
- Publication number 20050152707
- Publication date Jul 14, 2005
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20050088697
- Publication date Apr 28, 2005
- Kei Yasutomi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus
- Publication number 20040175207
- Publication date Sep 9, 2004
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030218665
- Publication date Nov 27, 2003
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kei Yasutomi

Person

Patents Grantslast 30 patents

Image processing apparatus, image processing method, recording medi...

Image processing apparatus and image processing method

Image processing device, image processing method, and image forming...

Image capture apparatus, image capture system, and image capture me...

Image forming apparatus and image forming information processing ap...

Image processing apparatus and image forming apparatus for performi...

Method of manufacturing transfer sheet and transfer sheet

Pseudo-halftoning device, image forming apparatus, and image formin...

Image forming apparatus for controlling image clarity using clear t...

Image forming apparatus

Image forming apparatus for controlling glossiness of an image

Apparatus and method for fixing an image

Filling-rate lowering and rolling rate adjusting image forming appa...

Image forming device

Device for driving rotary body with mechanism for dampening fluctua...

Dither matrix producing method and apparatus, image processing meth...

Corona charger having two charging regions

Image forming apparatus and image forming method using pseudo half...

Gloss providing sheet and image formation apparatus

Image forming apparatus and image forming method

Apparatus and method for fixing an image

Image forming apparatus and image forming method

Image forming apparatus with superimposed dark and light toner images

Image formation apparatus using an electrophotographic process

Image forming apparatus and process cartridge

Image forming apparatus

Developing method and a developing device for image forming apparatus

Image forming apparatus

Image forming apparatus having a developing device with a magnet brush

Image forming apparatus

Patents Applicationslast 30 patents

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, RECORDING MEDI...

IMAGE PROCESSING APPARATUS

IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD

IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND IMAGE FORMING...

IMAGE CAPTURE APPARATUS, IMAGE CAPTURE SYSTEM, AND IMAGE CAPTURE ME...

IMAGE FORMING APPARATUS AND IMAGE FORMING INFORMATION PROCESSING AP...

METHOD OF MANUFACTURING TRANSFER SHEET AND TRANSFER SHEET

Pseudo-halftoning device, image forming apparatus, and image formin...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

APPARATUS AND METHOD FOR FIXING AN IMAGE

IMAGE PROCESSING APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

Driving device or image forming apparatus

IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD

CORONA CHARGER AND IMAGE FORMING APPARATUS USING THE SAME

Gloss providing sheet and image formation apparatus

IMAGE FORMING DEVICE

Image forming apparatus and image forming method

Image forming apparatus and image forming method

Image processing apparatus and image forming apparatus

Image forming apparatus

Image forming apparatus, image forming method, and recording medium

Apparatus and method for fixing an image

Dither matrix producing method and apparatus, image processing meth...

Image forming apparatus and process cartridge

Image forming apparatus and image forming method

Image forming apparatus

Image forming apparatus