- Born:11 August 1993 (24 years)
Japanese judoka Joshiro Maruyama won the Kodokan Cup in Chiba in 2013. In 2016 he won the Grand Prix of Almaty (KAZ). He took silver at the All japanese Championships and won the Olympic Test event in Rio in March 2016. He won bronze at the European Open in Rome in 2017. He won silver at the Grand Slam in Tokyo in 2017.
Competitions - Medal overview B S G
- IJF World Tour: Masters/Grand Slam/Grand Prix 021
- World Cups/Continental Open 100
- International Tournaments 001
- National Championships Seniors 110
- National Championships Juniors 001