Research in Motion Ltd (RIM) ranks 8th in the world in the number of telecom patents granted, according to the latest data from Thomson Reuters. The report — Innovation Hot Spots IP Market Report: Mining Patent Data for Tomorrow's Breakthroughs — shows that the Waterloo-based maker of the Blackberry has 433 patents granted, just one behind 7th-ranked SK Telecom Co Ltd of South Korea. Topping the ranking is Samsung Electronics Co Ltd (1,041), Microsoft Corp (534), Nokia Corp (515) and LG Electronics Inc (513)....