What will your next car be like? Google, Apple and other giants of the smartphone business have plenty of ideas. In fact, Google alone has 310 U.S. patents relating to areas such as car-based smart devices, navigation and route guidance, while Apple has another 35. Meanwhile, five other smartphone players have a total of 617 additional U.S. patents with automotive implications. The numbers leap out of a new report on smartphone companies' rapidly growing interest in the car market.