Tsutomu NISHIKAWA

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Chigasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charging device with backflow prevention
- Patent number 8,093,865
- Issue date Jan 10, 2012
- Canon Kabushiki Kaisha
- Tsutomu Nishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Combination battery charger and battery driven power supply
- Patent number 6,133,711
- Issue date Oct 17, 2000
- Canon Kabushiki Kaisha
- Isao Hayashi
- G01 - MEASURING TESTING
Information Patent Grant
Charging apparatus and charging system for use with an unstable ele...
- Patent number 5,869,949
- Issue date Feb 9, 1999
- Canon Kabushiki Kaisha
- Tsutomu Nishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging method and appratus for carrying out the same
- Patent number 5,552,693
- Issue date Sep 3, 1996
- Canon Kabushiki Kaisha
- Tsutomu Nishikawa
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
CHARGING DEVICE
- Publication number 20090009142
- Publication date Jan 8, 2009
- Canon Kabushiki Kaisha
- Tsutomu NISHIKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER