Koichi MIYANAGA

Person

Ukyo-Ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor integrated circuit
- Patent number 11,463,085
- Issue date Oct 4, 2022
- Rohm Co., Ltd.
- Koichi Miyanaga
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Step-down DC/DC converter
- Patent number 10,075,070
- Issue date Sep 11, 2018
- Rohm Co., Ltd.
- Takeru Matsuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step-down DC/DC converter
- Patent number 9,768,687
- Issue date Sep 19, 2017
- Rohm Co., Ltd.
- Takeru Matsuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Shunt circuit, charging system and integrated circuit
- Patent number 9,583,952
- Issue date Feb 28, 2017
- Rohm Co., Ltd.
- Koichi Miyanaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Detecting disconnection fault in device monitoring circuit connecte...
- Patent number 9,529,054
- Issue date Dec 27, 2016
- Rohm Co., Ltd.
- Koichi Miyanaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Energy harvesting apparatus and energy harvesting system
- Patent number 9,484,773
- Issue date Nov 1, 2016
- Rohm Co., Ltd.
- Koichi Miyanaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery control circuit
- Patent number 9,368,980
- Issue date Jun 14, 2016
- Rohm Co., Ltd.
- Koichi Miyanaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor apparatus having a controller arranged to turn on a f...
- Patent number 8,639,959
- Issue date Jan 28, 2014
- Rohm Co., Ltd.
- Koichi Miyanaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage comparison circuit
- Patent number 8,362,748
- Issue date Jan 29, 2013
- Rohm Co., Ltd.
- Koichi Miyanaga
- G01 - MEASURING TESTING
Information Patent Grant
Power management circuit
- Patent number 8,350,408
- Issue date Jan 8, 2013
- Rohm Co., Ltd.
- Koichi Miyanaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic equipment synchronously controlling light emission from...
- Patent number 7,754,960
- Issue date Jul 13, 2010
- Rohm Co., Ltd.
- Isao Yamamoto
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Image pickup apparatus with light emission control adapted for ligh...
- Patent number 7,542,182
- Issue date Jun 2, 2009
- Rohm Co., Ltd.
- Isao Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current drive circuit reducing VDS dependency
- Patent number 7,479,822
- Issue date Jan 20, 2009
- Rohm Co., Ltd.
- Isao Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Grant
Light-emission control circuit
- Patent number 7,423,626
- Issue date Sep 9, 2008
- Rohm Co., Ltd.
- Isao Yamamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light emission control circuit uniformly and non-uniformly controll...
- Patent number 7,391,406
- Issue date Jun 24, 2008
- Rohm Co., Ltd.
- Isao Yamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Camera portable telephone including LEDs used for both a camera fla...
- Patent number 7,385,642
- Issue date Jun 10, 2008
- Rohm Co., Ltd.
- Isao Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current drive circuit reducing VDS dependency
- Patent number 7,372,322
- Issue date May 13, 2008
- Rohm Co., Ltd.
- Isao Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Grant
Semiconductor device capable of detecting an open bonding wire usin...
- Patent number 7,321,257
- Issue date Jan 22, 2008
- Rohm Co., Ltd.
- Isao Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current drive circuit reducing VDS dependency
- Patent number 7,230,474
- Issue date Jun 12, 2007
- Rohm Co., Ltd.
- Isao Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 7,009,830
- Issue date Mar 7, 2006
- Rohm Co., Ltd.
- Isao Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Stabilized power supply unit having a current limiting function
- Patent number 6,897,638
- Issue date May 24, 2005
- Rohm Co., Ltd.
- Koichi Miyanaga
- G05 - CONTROLLING REGULATING
Information Patent Grant
Stabilized power supply unit having a current limiting function
- Patent number 6,822,428
- Issue date Nov 23, 2004
- Rohm Co., Ltd.
- Koichi Miyanaga
- G05 - CONTROLLING REGULATING
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 6,687,107
- Issue date Feb 3, 2004
- Rohm Co., Ltd.
- Isao Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
POWER MANAGEMENT CIRCUIT
- Publication number 20240184352
- Publication date Jun 6, 2024
- ROHM CO., LTD.
- Koichi MIYANAGA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT
- Publication number 20220014188
- Publication date Jan 13, 2022
- ROHM CO., LTD.
- Koichi MIYANAGA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
STEP-DOWN DC/DC CONVERTER
- Publication number 20170133929
- Publication date May 11, 2017
- Rohm Co., Ltd.
- Takeru MATSUKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STEP-DOWN DC/DC CONVERTER
- Publication number 20170117803
- Publication date Apr 27, 2017
- Rohm Co., Ltd.
- Takeru MATSUKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRICAL STORAGE DEVICE MONITORING CIRCUIT, CHARGING SYSTEM, AND...
- Publication number 20140320071
- Publication date Oct 30, 2014
- Rohm Co., Ltd.
- Koichi MIYANAGA
- G01 - MEASURING TESTING
Information Patent Application
ENERGY HARVESTING APPARATUS AND ENERGY HARVESTING SYSTEM
- Publication number 20140175880
- Publication date Jun 26, 2014
- Rohm Co., Ltd.
- Koichi MIYANAGA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SHUNT CIRCUIT, CHARGING SYSTEM AND INTEGRATED CIRCUIT
- Publication number 20140167684
- Publication date Jun 19, 2014
- Rohm Co., Ltd.
- Koichi MIYANAGA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY CONTROL CIRCUIT
- Publication number 20140159663
- Publication date Jun 12, 2014
- Koichi MIYANAGA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR APPARATUS
- Publication number 20120023344
- Publication date Jan 26, 2012
- Rohm Co., Ltd.
- Koichi Miyanaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER MANAGEMENT CIRCUIT
- Publication number 20100270862
- Publication date Oct 28, 2010
- Rohm Co., Ltd.
- Koichi Miyanaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DC/DC CONVERTER
- Publication number 20090179584
- Publication date Jul 16, 2009
- Rohm Co., Ltd.
- Koichi Miyanaga
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
VOLTAGE COMPARISON CIRCUIT
- Publication number 20090066293
- Publication date Mar 12, 2009
- Rohm Co., Ltd.
- Koichi MIYANAGA
- G01 - MEASURING TESTING
Information Patent Application
LIGHT-EMISSION CONTROL CIRCUIT
- Publication number 20090039234
- Publication date Feb 12, 2009
- Rohm Co., Ltd.
- Isao YAMAMOTO
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
CURRENT DRIVE CIRCUIT REDUCING VDS DEPENDENCY
- Publication number 20080169870
- Publication date Jul 17, 2008
- Rohm Co., Ltd.
- Isao YAMAMOTO
- G05 - CONTROLLING REGULATING
Information Patent Application
Current drive circuit reducing VDS dependency
- Publication number 20070205812
- Publication date Sep 6, 2007
- Isao Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Application
Electronic equipment synchronously controlling light emission from...
- Publication number 20050217457
- Publication date Oct 6, 2005
- Isao Yamamoto
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Current drive circuit reducing VDS dependency
- Publication number 20050122139
- Publication date Jun 9, 2005
- Isao Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Application
Image shooting apparatus
- Publication number 20050068457
- Publication date Mar 31, 2005
- Isao Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light emission control circuit uniformly and non-uniformly controll...
- Publication number 20050057554
- Publication date Mar 17, 2005
- Isao Yamamoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Image pickup apparatus with light emission control adapted for ligh...
- Publication number 20050057786
- Publication date Mar 17, 2005
- Isao Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light-emission control circuit
- Publication number 20050058450
- Publication date Mar 17, 2005
- Isao Yamamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Semiconductor device and electronic apparatus capable of detecting...
- Publication number 20050057301
- Publication date Mar 17, 2005
- Isao Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Application
Semiconductor integrated circuit device
- Publication number 20040145021
- Publication date Jul 29, 2004
- ROHM CO., LTD.
- Isao Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor device having voltage feedback circuit therein, and e...
- Publication number 20040075488
- Publication date Apr 22, 2004
- Isao yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Application
Stabilized power supply unit having a current limiting function
- Publication number 20040004466
- Publication date Jan 8, 2004
- ROHM CO., LTD.
- Koichi Miyanaga
- G05 - CONTROLLING REGULATING
Information Patent Application
Stabilized power supply unit having a current limiting function
- Publication number 20040004467
- Publication date Jan 8, 2004
- ROHM CO., LTD.
- Koichi Miyanaga
- G05 - CONTROLLING REGULATING
Information Patent Application
Semiconductor integrated circuit device
- Publication number 20020186067
- Publication date Dec 12, 2002
- ROHM CO., LTD.
- Isao Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY

Koichi MIYANAGA

Person

Patents Grantslast 30 patents

Semiconductor integrated circuit

Step-down DC/DC converter

Step-down DC/DC converter

Shunt circuit, charging system and integrated circuit

Detecting disconnection fault in device monitoring circuit connecte...

Energy harvesting apparatus and energy harvesting system

Battery control circuit

Semiconductor apparatus having a controller arranged to turn on a f...

Voltage comparison circuit

Power management circuit

Electronic equipment synchronously controlling light emission from...

Image pickup apparatus with light emission control adapted for ligh...

Current drive circuit reducing VDS dependency

Light-emission control circuit

Light emission control circuit uniformly and non-uniformly controll...

Camera portable telephone including LEDs used for both a camera fla...

Current drive circuit reducing VDS dependency

Semiconductor device capable of detecting an open bonding wire usin...

Current drive circuit reducing VDS dependency

Semiconductor integrated circuit device

Stabilized power supply unit having a current limiting function

Stabilized power supply unit having a current limiting function

Semiconductor integrated circuit device

Patents Applicationslast 30 patents

POWER MANAGEMENT CIRCUIT

SEMICONDUCTOR INTEGRATED CIRCUIT

STEP-DOWN DC/DC CONVERTER

STEP-DOWN DC/DC CONVERTER

ELECTRICAL STORAGE DEVICE MONITORING CIRCUIT, CHARGING SYSTEM, AND...

ENERGY HARVESTING APPARATUS AND ENERGY HARVESTING SYSTEM

SHUNT CIRCUIT, CHARGING SYSTEM AND INTEGRATED CIRCUIT

BATTERY CONTROL CIRCUIT

SEMICONDUCTOR APPARATUS

POWER MANAGEMENT CIRCUIT

DC/DC CONVERTER

VOLTAGE COMPARISON CIRCUIT

LIGHT-EMISSION CONTROL CIRCUIT

CURRENT DRIVE CIRCUIT REDUCING VDS DEPENDENCY

Current drive circuit reducing VDS dependency

Electronic equipment synchronously controlling light emission from...

Current drive circuit reducing VDS dependency

Image shooting apparatus

Light emission control circuit uniformly and non-uniformly controll...

Image pickup apparatus with light emission control adapted for ligh...

Light-emission control circuit

Semiconductor device and electronic apparatus capable of detecting...

Semiconductor integrated circuit device

Semiconductor device having voltage feedback circuit therein, and e...

Stabilized power supply unit having a current limiting function

Stabilized power supply unit having a current limiting function

Semiconductor integrated circuit device