The report contains ten-year analysis with the following sections
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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
secondary battery state detecting device | 9 | 2007 |
device and method for detecting abnormality of electric storage device | 7 | 2007 |
apparatus and method for detecting charged state of electric storage device | 6 | 2007 |
power unit and safety circuit having the same | 5 | 2007 |
method and device for estimating charge/discharge electricity amount of secondary cell | 5 | 2003 |
method for separating active material of electrode plate for storage battery | 5 | 2005 |
battery pack | 5 | 2007 |
fan structure and battery pack using the same | 4 | 2005 |
battery and method of manufacturing the same | 4 | 2006 |
battery | 4 | 2006 |