Naoki Yamaguchi

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Nagaokakyo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Overcurrent protection circuit for a switching power supply apparatus
- Patent number 9,385,617
- Issue date Jul 5, 2016
- Murata Manufacturing Co., Ltd.
- Tatsuya Hosotani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply device
- Patent number 9,257,912
- Issue date Feb 9, 2016
- Murata Manufacturing Co., Ltd.
- Tatsuya Hosotani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply apparatus
- Patent number 9,160,234
- Issue date Oct 13, 2015
- Murata Manufacturing Co., Ltd.
- Naoki Yamaguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply apparatus
- Patent number 8,625,314
- Issue date Jan 7, 2014
- Murata Manufacturing Co., Ltd.
- Tatsuya Hosotani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply device
- Patent number 7,965,523
- Issue date Jun 21, 2011
- Murata Manufacturing Co., Ltd.
- Naoki Yamaguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
CHARGE-DISCHARGE UNIT, BATTERY MODULE, AND POWER SYSTEM
- Publication number 20230024417
- Publication date Jan 26, 2023
- Murata Manufacturing Co., Ltd.
- Naoki YAMAGUCHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY DEVICE
- Publication number 20140376274
- Publication date Dec 25, 2014
- Tatsuya HOSOTANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY APPARATUS
- Publication number 20140376273
- Publication date Dec 25, 2014
- Tatsuya HOSOTANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY APPARATUS
- Publication number 20130250625
- Publication date Sep 26, 2013
- Murata Manufacturing Co., Ltd.
- Naoki YAMAGUCHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY APPARATUS
- Publication number 20130107579
- Publication date May 2, 2013
- Murata Manufacturing Co., Ltd.
- Tatsuya HOSOTANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY DEVICE
- Publication number 20090316444
- Publication date Dec 24, 2009
- Murata Manufacturing Co., Ltd.
- Naoki Yamaguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER