Shigetaka Maeyama

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Sakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switching power source with a digital control circuit to maintain a...
- Patent number 6,169,680
- Issue date Jan 2, 2001
- TDK Corporation
- Nobuyuki Matsui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power source with a digital control circuit to maintain a...
- Patent number 6,115,266
- Issue date Sep 5, 2000
- TDK Corporation
- Nobuyuki Matsui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power device with improved power factor
- Patent number 5,856,917
- Issue date Jan 5, 1999
- TDK Corporation
- Kenichi Aonuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER