According to Bloomberg report, prospective buyers had been asked to sign NDAs to review Kodak's patent portfolio: http://www.bloomberg.com/news/2011-08-30/kodak-says-large-number-of-buyers-evaluating-its-patents-1-.html
To evaluate Kodak's patent portfolio (issued patents and published applications), a keyword search of the USPTO data base was performed. As of Sep. 10 2010, there were total of 21,000 patents.
Among 21,000 patents, the number of patents that are related to image processing technologies are 2657. Among 2,657 patent, 762 patents are identified for claiming smartphone related technology.
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