Former defense minister Yuriko Koike waves at passersby during her campaign rally for the Tokyo gubernatorial election in Tokyo on Friday. Eugene Hoshiko/AP hide caption toggle caption Eugene Hoshiko/AP The Two-Way Tokyo Elects Its First Female Governor July 31, 2016 Japanese voters have elected Yuriko Koike as the capital's first female governor. She's taking the helm amid high-pressure preparations for the 2020 Summer Olympics in Tokyo.