According to the survey on the market share of major goods and services in 2012 worldwide, South Korea's Samsung Electronics Group occupies the top of global market share in seven categories among the 50 categories covered in this survey. Including LG Electronics, Korean companies have expanded advantage in the digital product market. Samsung tops in 7 major categories such as mobile terminals, smart phones, organic EL panel, flat panel TVs, lithium-ion batteries and semiconductor memory DRAM and NAND-type flash memory used in personal computers. However, in t...