Hitoshi Koiwai

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power factor correction circuit for providing protection against ov...
- Patent number 9,083,241
- Issue date Jul 14, 2015
- Shindengen Electric Manufacturing Co., Ltd.
- Hitoshi Koiwai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER FACTOR CORRECTION CIRCUIT
- Publication number 20130308360
- Publication date Nov 21, 2013
- SHINDENGEN ELECTRIC MANUFACTURING CO., LTD
- Hitoshi Koiwai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER