Masatsugu Souma

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Audio power amplifier IC and audio system provided with the same
- Patent number 7,459,968
- Issue date Dec 2, 2008
- Rohm Co., Ltd.
- Shigeji Ohama
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Audio Power Amplifier Ic and Audio System Provided with the Same
- Publication number 20070252644
- Publication date Nov 1, 2007
- Shigeji Ohama
- H03 - BASIC ELECTRONIC CIRCUITRY