Koki Tamakawa

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power supply device, electronic device using the same, and semicond...
- Patent number 7,960,955
- Issue date Jun 14, 2011
- Rohm Co., Ltd.
- Tomoyuki Ito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current detection circuit
- Patent number 7,807,956
- Issue date Oct 5, 2010
- Rohm Co., Ltd.
- Tatsuya Iwasaki
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
POWER SUPPLY DEVICE, ELECTRONIC DEVICE USING THE SAME, AND SEMICOND...
- Publication number 20090273327
- Publication date Nov 5, 2009
- Rohm Co., Ltd.
- Tomoyuki Ito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT DETECTION CIRCUIT
- Publication number 20090108178
- Publication date Apr 30, 2009
- Rohm Co., Ltd.
- Tatsuya IWASAKI
- G01 - MEASURING TESTING