Hiroki Ohkubo

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information display device, information displaying method, and comp...
- Patent number 8,508,523
- Issue date Aug 13, 2013
- Ricoh Company, Ltd.
- Eiji Nemoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Power supply unit, image forming apparatus, and method for controll...
- Patent number 8,289,744
- Issue date Oct 16, 2012
- Ricoh Company, Ltd.
- Hiroyuki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and electric appliance including a thermoel...
- Patent number 8,260,166
- Issue date Sep 4, 2012
- Ricoh Company, Limited
- Yuji Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for converting lights to generate and store...
- Patent number 8,233,168
- Issue date Jul 31, 2012
- Ricoh Company, Ltd.
- Yusuke Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Belt drive control device, belt device, image forming apparatus, an...
- Patent number 8,145,105
- Issue date Mar 27, 2012
- Ricoh Company, Ltd.
- Yuichiro Ueda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power supply device, scanner power supply device, and image forming...
- Patent number 8,120,331
- Issue date Feb 21, 2012
- Ricoh Company, Ltd.
- Hiroyuki Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 8,085,437
- Issue date Dec 27, 2011
- Ricoh Company Limited
- Hiroki Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt drive control unit, belt drive control method, belt drive cont...
- Patent number 8,081,904
- Issue date Dec 20, 2011
- Ricoh Company, Ltd.
- Hiroki Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for optical image formation control
- Patent number 7,372,479
- Issue date May 13, 2008
- Ricoh Company, Ltd.
- Hiroki Ohkubo
- G02 - OPTICS
Information Patent Grant
Optical writing system and method, and image forming apparatus rece...
- Patent number 7,315,320
- Issue date Jan 1, 2008
- Ricoh Company, Ltd.
- Hiroki Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
BELT DRIVE CONTROL DEVICE, BELT DEVICE, IMAGE FORMING APPARATUS, AN...
- Publication number 20090238613
- Publication date Sep 24, 2009
- Yuichiro UEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BELT DRIVE CONTROL UNIT, BELT DRIVE CONTROL METHOD, BELT DRIVE CONT...
- Publication number 20090190972
- Publication date Jul 30, 2009
- Hiroki Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWER SUPPLY UNIT, IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLL...
- Publication number 20090091959
- Publication date Apr 9, 2009
- Hiroyuki TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWER SUPPLY DEVICE, SCANNER POWER SUPPLY DEVICE, AND IMAGE FORMING...
- Publication number 20090072781
- Publication date Mar 19, 2009
- Hiroyuki TAKAHASHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
IMAGE FORMING APPARATUS AND ELECTRIC APPLIANCE
- Publication number 20080292351
- Publication date Nov 27, 2008
- Yuji MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INFORMATION DISPLAY DEVICE, INFORMATION DISPLAYING METHOD, AND COMP...
- Publication number 20080259071
- Publication date Oct 23, 2008
- Eiji NEMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20080240611
- Publication date Oct 2, 2008
- Hiroki Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20080198425
- Publication date Aug 21, 2008
- Yusuke Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for optical image formation control
- Publication number 20060001735
- Publication date Jan 5, 2006
- Hiroki Ohkubo
- G02 - OPTICS
Information Patent Application
Optical writing system and method, and image forming apparatus
- Publication number 20040155953
- Publication date Aug 12, 2004
- Hiroki Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroki Ohkubo

Person

Patents Grantslast 30 patents

Information display device, information displaying method, and comp...

Power supply unit, image forming apparatus, and method for controll...

Image forming apparatus and electric appliance including a thermoel...

Image forming apparatus for converting lights to generate and store...

Belt drive control device, belt device, image forming apparatus, an...

Power supply device, scanner power supply device, and image forming...

Image forming apparatus and image forming method

Belt drive control unit, belt drive control method, belt drive cont...

Apparatus and method for optical image formation control

Optical writing system and method, and image forming apparatus rece...

Patents Applicationslast 30 patents

BELT DRIVE CONTROL DEVICE, BELT DEVICE, IMAGE FORMING APPARATUS, AN...

BELT DRIVE CONTROL UNIT, BELT DRIVE CONTROL METHOD, BELT DRIVE CONT...

POWER SUPPLY UNIT, IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLL...

POWER SUPPLY DEVICE, SCANNER POWER SUPPLY DEVICE, AND IMAGE FORMING...

IMAGE FORMING APPARATUS AND ELECTRIC APPLIANCE

INFORMATION DISPLAY DEVICE, INFORMATION DISPLAYING METHOD, AND COMP...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

Apparatus and method for optical image formation control

Optical writing system and method, and image forming apparatus