Network World (US)
IBM retained its patent crown for 2011, topping the list of patent winners for the 19th year in a row. The only other U.S. company to make the top 10, Microsoft fell from third place to sixth place, according to data from IFI Claims Patent Services.
Big Blue secured 6,180 patents last year, up nearly 5% from 5,896 in 2010. Samsung Electronics was the second most prolific patent winner, with 4,894 patents received in 2011, followed by Canon (2,821), Panasonic (2,559), Toshiba (2,483), Microsoft (2,311), Sony (2,286), Seiko Epson (1,533), Hon Hai Precision Industry (1,514), and Hitachi (1,465).
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