15-year-old parallel processing patent threatens Sony, PS3

arstechnica.com — Sony has been sued by a mysterious company over a 15-year-old patent covering parallel processing. The plaintiffs claim that the Cell CPU used in the PS3 infringes on a patent they own the rights to, but they chose not to go after IBM, which designed the CPU in the first place. Jul 31, 2007 View in Crawl 4