SonyIR Day2015
http://www.sony.co.jp/SonyInfo/IR/info/irday2014electronics_presenJ.pdf
http://www.sony.co.jp/SonyInfo/IR/info/irday2014electronics_releaseJ.pdf
base
http://www.sony.co.jp/pressroom/biz/electronics/base_japan_20150204.pdf
http://i.imgur.com/TRsphIa.png
http://i.imgur.com/cuGWorh.png
http://i.imgur.com/FWKXQH8.png