Wartime regulations were in effect throughout Japan, which resulted in nearly all of the company's output being used to satisfy military demand. Although 1945 saw the end of armed conflict, the company had been directly impacted by the war and faced a challenge to rebuild it business operations.

The Bridgestone Tokyo Headquarters building was destroyed during an aerial bombing raid, and all of its overseas assets were lost. Fortunately, the plants in Kurume and Yokohama escaped unscathed, and the company was able to restart production immediately after the war ended. The company overcame many obstacles and eventually emerged from the war as a stronger organization.