Changes

The below left graph display assignee wise IP activity over years, according to the present data thevery first patent pertaining to HEV battery charging system was filed by HYBRICON in 1978 but not inthe race anymore. Though NISSAN, AQUEOUS and TOYOTA seems be ahead in acquiring max.number of patent to their credits, but not active since 2000. GM and HONDA have bagged a single-single patent of same age in 2003. The below right graph display market (countries) eyed by various competitors. The hot market placefor most competitors is Japan (17) followed by United States (11) and Germany (04). According to thepresent data Nissan seems to be having strong presence in Japan market than rest with 5 patentsprotected, followed by Aqueous and Toyota We will look in to their technologies in competitor approaches section coming latter in the report.[[Image:Competitor.jpg|thumb|center|500px700px|Competitor and Market Landscape]]