Katsuya Sakuma

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Patents Grantslast 30 patents

Information Patent Grant
Battery protection device, battery protection system using the same...
- Patent number 7,397,221
- Issue date Jul 8, 2008
- Mitsemi Electric Co., Ltd.
- Katsuya Sakuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Oscillator circuit and oscillation control method
- Patent number 7,317,362
- Issue date Jan 8, 2008
- Mitsumi Electric Co., Ltd.
- Katsuya Sakuma
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Oscillator circuit and oscillation control method
- Publication number 20060208812
- Publication date Sep 21, 2006
- Katsuya Sakuma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Battery protection device, battery protection system using the same...
- Publication number 20050242780
- Publication date Nov 3, 2005
- Katsuya Sakuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER