Bridgestone Corp. (TYO:5108) this month has launched its M746 all-season trailer tire. The M746 maintains the high tire-tread depth of that found in truck tires, enabling use also as retreaded tires after initial wear. Japan Rubber Weekly sat down with Bridgestone Tire Japan Co. Ltd.’s Katsunori Nakamura, production-goods marketing director, and Shinichi Ito, sales planning director, to hear about the…