Masao YONEMARU

Person

Kyoto-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Driving circuit of LED for liquid crystal backlight, control circui...
- Patent number 10,467,967
- Issue date Nov 5, 2019
- Rohm Co., Ltd.
- Masao Yonemaru
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting apparatus
- Patent number 9,177,508
- Issue date Nov 3, 2015
- Rohm Co., Ltd.
- Hiroki Kikuchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving circuit for light emitting diode
- Patent number 8,730,228
- Issue date May 20, 2014
- Rohm Co., Ltd.
- Masao Yonemaru
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Current driving circuit
- Patent number 8,653,754
- Issue date Feb 18, 2014
- Rohm Co., Ltd.
- Hiroki Kikuchi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Current detection circuit, light receiving device using the same, a...
- Patent number 7,880,126
- Issue date Feb 1, 2011
- Rohm Co., Ltd.
- Masao Yonemaru
- G01 - MEASURING TESTING
Information Patent Grant
Power supply circuit
- Patent number 7,642,761
- Issue date Jan 5, 2010
- Rohm Co., Ltd.
- Yoshikazu Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply circuit
- Patent number 7,456,619
- Issue date Nov 25, 2008
- Rohm Co., Ltd.
- Yoshikazu Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
DRIVING CIRCUIT OF LED FOR LIQUID CRYSTAL BACKLIGHT, CONTROL CIRCUI...
- Publication number 20170236472
- Publication date Aug 17, 2017
- Rohm Co., Ltd.
- Masao YONEMARU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LIGHT EMITTING APPARATUS
- Publication number 20140168567
- Publication date Jun 19, 2014
- Rohm Co., Ltd.
- Hiroki KIKUCHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT MIRROR CIRCUIT
- Publication number 20120025737
- Publication date Feb 2, 2012
- Rohm Co., Ltd.
- Hiroki KIKUCHI
- G05 - CONTROLLING REGULATING
Information Patent Application
Driving circuit for light emitting diode
- Publication number 20110128303
- Publication date Jun 2, 2011
- Rohm Co., Ltd.
- Masao Yonemaru
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
CURRENT DETECTION CIRCUIT, LIGHT RECEIVING DEVICE USING THE SAME, A...
- Publication number 20090278028
- Publication date Nov 12, 2009
- Rohm Co., Ltd.
- Masao Yonemaru
- G01 - MEASURING TESTING
Information Patent Application
POWER SUPPLY CIRCUIT
- Publication number 20090045789
- Publication date Feb 19, 2009
- ROHM CO., LTD.
- Yoshikazu SASAKI
- G05 - CONTROLLING REGULATING
Information Patent Application
Power supply circuit
- Publication number 20070296388
- Publication date Dec 27, 2007
- Yoshikazu Sasaki
- G05 - CONTROLLING REGULATING

Masao YONEMARU

Person

Patents Grantslast 30 patents

Driving circuit of LED for liquid crystal backlight, control circui...

Light emitting apparatus

Driving circuit for light emitting diode

Current driving circuit

Current detection circuit, light receiving device using the same, a...

Power supply circuit

Power supply circuit

Patents Applicationslast 30 patents

DRIVING CIRCUIT OF LED FOR LIQUID CRYSTAL BACKLIGHT, CONTROL CIRCUI...

LIGHT EMITTING APPARATUS

CURRENT MIRROR CIRCUIT

Driving circuit for light emitting diode

CURRENT DETECTION CIRCUIT, LIGHT RECEIVING DEVICE USING THE SAME, A...

POWER SUPPLY CIRCUIT

Power supply circuit