Masaaki Yamagishi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charging or discharging apparatus for electrically charging or disc...
- Patent number 7,622,898
- Issue date Nov 24, 2009
- Power Systems Co., Ltd.
- Masaaki Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Connection-switched capacitor storage system
- Patent number 6,885,170
- Issue date Apr 26, 2005
- Advanced Capacitor Technologies, Inc.
- Michio Okamura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacitor power supply with switches to decrease variations in outp...
- Patent number 6,317,343
- Issue date Nov 13, 2001
- Jeol Ltd.
- Michio Okamura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacitor module, bank of such modules, and storehouse housing such...
- Patent number 6,215,278
- Issue date Apr 10, 2001
- Jeol Ltd.
- Michio Okamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply using batteries undergoing great voltage variations
- Patent number 5,734,205
- Issue date Mar 31, 1998
- Jeol Ltd.
- Michio Okamura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply circuit including forward converter
- Patent number 4,736,284
- Issue date Apr 5, 1988
- Kikusui Electronics Corp.
- Masaaki Yamagishi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Charging apparatus for capacitor storage type power source and disc...
- Publication number 20070194759
- Publication date Aug 23, 2007
- Power Systems Co., Ltd.
- Masaaki Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Connection-switched capacitor storage system
- Publication number 20030128013
- Publication date Jul 10, 2003
- JEOL Ltd.
- Michio Okamura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER