Sumitomo Rubber Industries Ltd. (TYO:5110) has announced that it is planning a June 1 launch for the Enasave RV505, a new tire made specifically for minivans. In addition to limiting the wobbling that minivans tend to encounter when going around curves or through a crosswind, the RV505 offers an improved lifespan and quieter operation. Sumitomo Rubber intends to launch the…