Born in Nagoya, Aichi, Japan on January 25, 1981, Sato began training in kickboxing in 1994 when he was in his second year of junior high school.
He won the title of WKA World Muay Thai Welterweight by KO Milan Stevic in Germany on 23 November 2001.
On February 4, 2006 he defeated Akeomi Nitta, Ryuki Ueyama and Tatsuji to win the K-1 MAX Japan Grand Prix 2006 tournament.
[7][8][9][10] He broke a three-fight losing streak when he took a majority decision win over Henri van Opstal at Shootboxing 2013 - Act 1 in Tokyo on February 22, 2013.
[21][22] In their fourth meeting, Sato lost to Buakaw Banchamek on points at MAX Muay Thai 4 in Sendai, Japan on October 6, 2013.
[23][24][25][26][27] He lost to Dzhabar Askerov by unanimous decision at Tech-Krep FC: Southern Front 2 in Kyiv, Ukraine on December 8, 2013.
[28] Sato lost via unanimous decision to Petchmankong Gaiyanghaadao at Hoost Cup: Legend in Nagoya, Japan on March 23, 2014.