Sports Wheelchair Engineer - Toru Ozawa The key to gold medal success at the Tokyo 2020 Paralympic Games may just be held by Toru Ozawa, engineer with a specialist wheelchair manufacturer in Chiba Prefecture, near Tokyo. Fine-tuned to match each owner's precise needs to the last millimeter, and trusted by top wheelchair athletes around the world, the firm's custom devices have helped win 122 Paralympic medals to date. With 2 years to go until the Tokyo games, we follow a pioneering Tokyo wheelchair maker with sights set on gold.