Koji Oka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Imaging apparatus and imaging method for comparing a template image...
- Patent number 10,462,371
- Issue date Oct 29, 2019
- Ricoh Company, Ltd.
- Koji Oka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic device and connection method
- Patent number 10,460,088
- Issue date Oct 29, 2019
- Ricoh Company, Ltd.
- Koji Oka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Imaging apparatus
- Patent number 10,122,957
- Issue date Nov 6, 2018
- Ricoh Company, Ltd.
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging system
- Patent number 8,745,609
- Issue date Jun 3, 2014
- Ricoh Company, Ltd.
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image photographic apparatus
- Patent number 8,478,885
- Issue date Jul 2, 2013
- Ricoh Company, Ltd.
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital camera, method for sending image data and system for transm...
- Patent number 8,350,917
- Issue date Jan 8, 2013
- Ricoh Company, Ltd.
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
A/D converter and A/D conversion method
- Patent number 8,004,446
- Issue date Aug 23, 2011
- Panasonic Corporation
- Toshiaki Ozeki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Image transfer system and image transfer method
- Patent number 7,952,733
- Issue date May 31, 2011
- Ricoh Company Ltd.
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Operational amplifier and pipeline AD converter
- Patent number 7,940,121
- Issue date May 10, 2011
- Panasonic Corporation
- Daisuke Nomasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Heat exchanger and washing apparatus comprising the same
- Patent number 7,920,779
- Issue date Apr 5, 2011
- Panasonic Corporation
- Shigeru Shirai
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
A/D converter and A/D conversion method
- Patent number 7,884,750
- Issue date Feb 8, 2011
- Panasonic Corporation
- Toshiaki Ozeki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bias circuit and semiconductor integrated circuit including the bia...
- Patent number 7,834,701
- Issue date Nov 16, 2010
- Panasonic Corporation
- Tsuyoshi Matsushita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Image photographing device and release device
- Patent number 7,750,939
- Issue date Jul 6, 2010
- Ricoh Company, Ltd.
- Toshiyuki Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image printing control apparatus and image printing control method
- Patent number 7,706,009
- Issue date Apr 27, 2010
- Ricoh Company, Ltd.
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
A/D converter and A/D conversion method
- Patent number 7,649,487
- Issue date Jan 19, 2010
- Panasonic Corporation
- Toshiaki Ozeki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clock signal generating device and analog-digital conversion device
- Patent number 7,609,194
- Issue date Oct 27, 2009
- Panasonic Corporation
- Yoshikazu Makabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fluid heating device and cleaning device using the same
- Patent number 7,372,002
- Issue date May 13, 2008
- Matsushita Electric Industrial Co., Ltd.
- Kazushige Nakamura
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Control system for image file
- Patent number 7,187,407
- Issue date Mar 6, 2007
- Ricoh Company, Ltd.
- Makoto Kanehiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage reference circuit with reduced power consumption
- Patent number 7,042,278
- Issue date May 9, 2006
- Matsushita Electric Industrial Co., Ltd.
- Heiji Ikoma
- G11 - INFORMATION STORAGE
Information Patent Grant
D/A converter
- Patent number 7,019,676
- Issue date Mar 28, 2006
- Matsushita Electric Industrial Co, Ltd.
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wet cleaning process and wet cleaning equipment
- Patent number 6,866,723
- Issue date Mar 15, 2005
- m·FSI Ltd.
- Takeji Ueda
- B08 - CLEANING
Information Patent Grant
Reference voltage generation circuit
- Patent number 6,806,764
- Issue date Oct 19, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yoshitsugu Inagaki
- G05 - CONTROLLING REGULATING
Information Patent Grant
A/D converter, method of A/D conversion, and signal processing device
- Patent number 6,734,817
- Issue date May 11, 2004
- Matsushita Electric Industrial Co., Ltd.
- Junichi Naka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
A/D converter for performing pipeline processing
- Patent number 6,700,524
- Issue date Mar 2, 2004
- Matsushita Electric Industrial Co., Ltd.
- Junichi Naka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reference voltage generation circuit
- Patent number 6,498,528
- Issue date Dec 24, 2002
- Matsushita Electric Industrial Co., Ltd.
- Yoshitsugu Inagaki
- G05 - CONTROLLING REGULATING
Information Patent Grant
Supply voltage detection circuit
- Patent number 6,492,849
- Issue date Dec 10, 2002
- Matsushita Electric Industrial Co., Ltd.
- Heiji Ikoma
- G11 - INFORMATION STORAGE
Information Patent Grant
Voltage detecting circuit for a power system
- Patent number 6,407,571
- Issue date Jun 18, 2002
- Matsushita Electric Industrial Co., Ltd.
- Shigeki Furuya
- G01 - MEASURING TESTING
Information Patent Grant
CMOS semiconductor integrated circuit
- Patent number 6,310,492
- Issue date Oct 30, 2001
- Matsushita Electric Industrial Co., Ltd.
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Laser obstacle detection method and sensor
- Patent number 5,970,433
- Issue date Oct 19, 1999
- Mitsui Engineering & Shipbuilding Co. Ltd.
- Koji Oka
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE AND CONNECTION METHOD
- Publication number 20170161476
- Publication date Jun 8, 2017
- Koji Oka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGING APPARATUS AND IMAGING METHOD
- Publication number 20160057357
- Publication date Feb 25, 2016
- Koji OKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGING APPARATUS
- Publication number 20160057379
- Publication date Feb 25, 2016
- Koji OKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CAMERA SYSTEM
- Publication number 20120212648
- Publication date Aug 23, 2012
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT
- Publication number 20110254125
- Publication date Oct 20, 2011
- Daisuke Nomasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPERATIONAL AMPLIFIER AND PIPELINE AD CONVERTER
- Publication number 20110175759
- Publication date Jul 21, 2011
- PANASONIC CORPORATION
- Daisuke Nomasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
IMAGING SYSTEM
- Publication number 20110145804
- Publication date Jun 16, 2011
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ANALOG SWITCH
- Publication number 20110084755
- Publication date Apr 14, 2011
- Yoshitsugu Inagaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPERATIONAL AMPLIFIER AND PIPELINE AD CONVERTER
- Publication number 20100188151
- Publication date Jul 29, 2010
- PANASONIC CORPORATION
- Daisuke Nomasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
A/D CONVERTER AND A/D CONVERSION METHOD
- Publication number 20100117879
- Publication date May 13, 2010
- Toshiaki Ozeki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
STANDARD VOLTAGE GENERATION CIRCUIT
- Publication number 20100109763
- Publication date May 6, 2010
- Junichi Naka
- G05 - CONTROLLING REGULATING
Information Patent Application
IMAGE PHOTOGRAPHIC APPARATUS
- Publication number 20100100628
- Publication date Apr 22, 2010
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
A/D CONVERTER AND A/D CONVERSION METHOD
- Publication number 20100097136
- Publication date Apr 22, 2010
- PANASONIC CORPORATION
- Toshiaki OZEKI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BIAS CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING THE BIA...
- Publication number 20100045382
- Publication date Feb 25, 2010
- Tsuyoshi Matsushita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
A/d Converter and A/D Conversion Method
- Publication number 20090040088
- Publication date Feb 12, 2009
- Toshiaki Ozeki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
STANDARD VOLTAGE GENERATION CIRCUIT
- Publication number 20080157861
- Publication date Jul 3, 2008
- Junichi Naka
- G05 - CONTROLLING REGULATING
Information Patent Application
CLOCK SIGNAL GENERATING DEVICE AND ANALOG-DIGITAL CONVERSION DEVICE
- Publication number 20080158035
- Publication date Jul 3, 2008
- Matsushita Electric Industrial Co., Ltd.
- Yoshikazu Makabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Heat exchanger and washing apparatus comprising the same
- Publication number 20070143914
- Publication date Jun 28, 2007
- Matsushita Electric Industrial Co., Ltd.
- Shigeru Shirai
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
Image transfer system and image transfer method
- Publication number 20070030512
- Publication date Feb 8, 2007
- Koji Oka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Net list conversion method, net list conversion device, still-state...
- Publication number 20070006110
- Publication date Jan 4, 2007
- Matsushita Electric Industrial Co., Ltd.
- Junichi Naka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Fluid heating device and cleaning device using the same
- Publication number 20060289455
- Publication date Dec 28, 2006
- Matsushita Electric Industrial Co., Ltd.
- Kazushige Nakamura
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
Image photographing device and release device
- Publication number 20060221189
- Publication date Oct 5, 2006
- Toshiyuki Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image printing control apparatus and image printing control method
- Publication number 20060197976
- Publication date Sep 7, 2006
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Standard voltage generation circuit
- Publication number 20060132225
- Publication date Jun 22, 2006
- Junichi Naka
- G05 - CONTROLLING REGULATING
Information Patent Application
Digital camera, method for controlling digital camera, computer pro...
- Publication number 20050012828
- Publication date Jan 20, 2005
- Ricoh Company, Ltd.
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
D/A converter
- Publication number 20050001752
- Publication date Jan 6, 2005
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor integrated circuit
- Publication number 20040245979
- Publication date Dec 9, 2004
- Heiji Ikoma
- G11 - INFORMATION STORAGE
Information Patent Application
Standard voltage generation circuit
- Publication number 20040212421
- Publication date Oct 28, 2004
- Junichi Naka
- G05 - CONTROLLING REGULATING
Information Patent Application
Digital camera, method for sending image data and system for transm...
- Publication number 20040125214
- Publication date Jul 1, 2004
- Koji Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Control system for image file
- Publication number 20030234877
- Publication date Dec 25, 2003
- Makoto Kanehiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Imaging apparatus and imaging method for comparing a template image...

Electronic device and connection method

Imaging apparatus

Imaging system

Image photographic apparatus

Digital camera, method for sending image data and system for transm...

A/D converter and A/D conversion method

Image transfer system and image transfer method

Operational amplifier and pipeline AD converter

Heat exchanger and washing apparatus comprising the same

A/D converter and A/D conversion method

Bias circuit and semiconductor integrated circuit including the bia...

Image photographing device and release device

Image printing control apparatus and image printing control method

A/D converter and A/D conversion method

Clock signal generating device and analog-digital conversion device

Fluid heating device and cleaning device using the same

Control system for image file

Voltage reference circuit with reduced power consumption

D/A converter

Wet cleaning process and wet cleaning equipment

Reference voltage generation circuit

A/D converter, method of A/D conversion, and signal processing device

A/D converter for performing pipeline processing

Reference voltage generation circuit

Supply voltage detection circuit

Voltage detecting circuit for a power system

CMOS semiconductor integrated circuit

Laser obstacle detection method and sensor

Patents Applicationslast 30 patents

ELECTRONIC DEVICE AND CONNECTION METHOD

IMAGING APPARATUS AND IMAGING METHOD

IMAGING APPARATUS

CAMERA SYSTEM

SEMICONDUCTOR INTEGRATED CIRCUIT

OPERATIONAL AMPLIFIER AND PIPELINE AD CONVERTER

IMAGING SYSTEM

ANALOG SWITCH

OPERATIONAL AMPLIFIER AND PIPELINE AD CONVERTER

A/D CONVERTER AND A/D CONVERSION METHOD

STANDARD VOLTAGE GENERATION CIRCUIT

IMAGE PHOTOGRAPHIC APPARATUS

A/D CONVERTER AND A/D CONVERSION METHOD

BIAS CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING THE BIA...

A/d Converter and A/D Conversion Method

STANDARD VOLTAGE GENERATION CIRCUIT

CLOCK SIGNAL GENERATING DEVICE AND ANALOG-DIGITAL CONVERSION DEVICE

Heat exchanger and washing apparatus comprising the same

Image transfer system and image transfer method

Net list conversion method, net list conversion device, still-state...

Fluid heating device and cleaning device using the same

Image photographing device and release device

Image printing control apparatus and image printing control method

Standard voltage generation circuit

Digital camera, method for controlling digital camera, computer pro...

D/A converter

Semiconductor integrated circuit

Standard voltage generation circuit

Digital camera, method for sending image data and system for transm...

Control system for image file