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Top 5 manufacturers of tablet computers in 2011
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19 Jun 2012, 08:04 AM IST 
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In producing its own tablet computer called Surface, Microsoft Corp. is entering a market dominated by Apple Inc. Six out of every 10 tablets shipped are iPads, according to research firm IHS iSuppli.
Here are the top five manufacturers of tablets last year:
Apple Inc., maker of the iPad, 40.5 million shipped worldwide, 62 percent share
Samsung Electronics Co., maker of Galaxy line, 6.1 million, 9 percent.
Amazon.com Inc., maker of Kindle Fire, 3.9 million, 6 percent
Barnes & Noble, maker of Nook products, 3.3 million, 5 percent
AsusTek Computer Inc., maker of Transformer line, 2.1 million, 3 percent
Other, 9.4 million, 14 percent
Source: IHS iSuppli
