Inventor
NAWA KAZUYASU
JP6 patents
Patents
6 patentsUS8368356B2Feb 5, 2013
Battery residual quantity display method and electronic equipment
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US7495416B2Feb 24, 2009
Battery pack, battery protection processing apparatus, and startup control method of the battery protection processing apparatus
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US7425814B2Sep 16, 2008
Battery pack and remaining battery power calculation method
SONY CORP9 citations83
US7064522B2Jun 20, 2006
Secondary battery with display to indicate residual capacity
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US7864065B2Jan 4, 2011
Battery residual quantity display method and electronic equipment
SONY CORP1 citations62
US7619536B2Nov 17, 2009
Battery residual quantity display method and electronic equipment
SONY CORP2 citations62