In 1193, making use of Fuji no Makigari (the hunting session at Mt. Fuji), in collaboration with his older brother Sukenari, he killed Suketsune KUDO to avenge his father's death, but his brother was subjugated by Tadatsune NITA, and Tokimune, who attempted to attack the accommodation of Shogun MINAMOTO no Yoritomo, was arrested.
1193年（建久4年）富士の巻狩りが行われた際、兄祐成とともに父の敵工藤祐経を殺害し、兄は仁田忠常に討たれ、時致は将軍源頼朝の宿所を襲おうとしたが捕らえられた。