Yasuji I Okamoto

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Kyoto-fu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switching power supply device having series capacitance
- Patent number 6,469,913
- Issue date Oct 22, 2002
- Murata Manufacturing Co., Ltd.
- Tatsuya Hosotani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply apparatus
- Patent number 6,366,480
- Issue date Apr 2, 2002
- Murata Manufacturing Co.
- Tatsuya Hosotani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self-oscillation type converter
- Patent number 5,012,399
- Issue date Apr 30, 1991
- Murata Manufacturing Co., Ltd.
- Hiroshi Takemura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Switching power supply device having series capacitance
- Publication number 20020101742
- Publication date Aug 1, 2002
- Tatsuya Hosotani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Switching power supply apparatus
- Publication number 20010019489
- Publication date Sep 6, 2001
- Murata Manufacturing Co., Ltd.
- Tatsuya Hosotani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER