Koji Sone
Japanese judoka (1928-1981)
曽根康治
- Born
- 14 November 1928, Chichibu
- Died
- 27 April 1981, Tokyo
- Citizenship
- Japan, Empire of Japan
- Sport
- judo
- Occupation
- judoka
Koji Sone (曽根 康治, Sone Kōji; November 14, 1928 – April 27, 1981) was a Japanese judoka and world champion.
He was born in the city Chichibu, Saitama and started judo in his childhood. His father was a 6th Dan in judo and his uncle a 9th Dan. Sone is a university-trained judoka from Meiji University. After that he belonged to Fuji Iron & Steel.
External links
Facts from Wikidata Q6426460 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.
Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.