Wataru Sakamoto

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Chiba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charge/discharge control circuit and charging type power supply device
- Patent number 8,390,256
- Issue date Mar 5, 2013
- Seiko Instruments Inc.
- Kazuaki Sano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery state monitoring circuit and battery device
- Patent number 8,384,355
- Issue date Feb 26, 2013
- Seiko Instruments Inc.
- Toshiyuki Koike
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery state monitoring circuit and battery device
- Patent number 8,138,719
- Issue date Mar 20, 2012
- Seiko Instruments Inc.
- Kazuaki Sano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND CHARGING TYPE POWER SUPPLY DEVICE
- Publication number 20110050172
- Publication date Mar 3, 2011
- Kazuaki Sano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
- Publication number 20110050176
- Publication date Mar 3, 2011
- Toshiyuki Koike
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
- Publication number 20100194343
- Publication date Aug 5, 2010
- Kazuaki Sano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERHEAT PROTECTION CIRCUIT
- Publication number 20090185323
- Publication date Jul 23, 2009
- Kiyoshi Yoshikawa
- G01 - MEASURING TESTING