Tokiuji was appointed Shuri no suke (assistant officer of the Office of Palace Repairs) in May 1227, and Shugo (Military governor) of Wakasa Province in 1228, then he was expected to be the fourth regent; however in April 1230 he had to return to Kamakura for the sake of illness and died on August 5 before his father's death.
嘉禄3年（1227年）4月に修理亮に任官し、大治(日本)3年（1228年）には若狭国の守護となり、第4代執権となることを期待されていたが、寛喜2年（1230年）3月に病のため鎌倉へ戻り、6月18日に父に先立って死去。