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Intangible Assets, net
 9 Months Ended
Jun. 30, 2013
Intangible Assets, net [Text Block]

8. Intangible Assets, net

Intangible assets as of September 30, 2012 and June 30, 2013 consist of the following:

    September 30,     June 30,  

 

   2012     2013  

 

            

Trademarks, computer software and technology

 $ 1,073,138   $ 1,471,544  

Less: Accumulated amortization

   (445,075 )   (689,604 )

 

 $ 628,063   $ 781,940  

Intangible assets represent the trademarks, computer software and technology used for battery production and research.

Amortization expenses were $186,524 and $146,002 for the three months ended June 30, 2012 and 2013 and $546,763 and $232,819 for nine months ended June 30, 2012 and 2013 respectively.