Kōsei Inoue is a retired Japanese judoka, born on June 15, 1973. He is best known for his achievements in the sport of judo, where he competed in the heavyweight category. Inoue gained international recognition by winning a gold medal at the 2000 Sydney Olympics and multiple titles at the World Judo Championships. Inoue's judo career began at a young age, and he quickly rose through the ranks due to his skill and dedication. After retiring from competitive judo, he transitioned into coaching and has contributed to the development of the sport in Japan and beyond.