Bridgestone Corp. (TYO:5108) is gearing up for the launch of the Blizzak VRX3, a new tire under its Blizzak brand of studless winter tires for passenger cars. Slated for a sequential rollout starting Sept. 1, the tire will be available in a total of 111 sizes, spanning kei cars through to compact cars, sedans and minivans. The VRX3 makes use…