When the Kamakura bakufu (Japanese feudal government headed by a shogun) fell and the Kenmu Restoration started in 1333, Tokimitsu ISHIKAWA went up to Kyoto and was appointed to Junior Fifth Rank, Lower Grade, the Imperial Household Secretary by the new government, and Junior Fourth Rank, Lower Grade, the Master of the Palace Table in 1334.
元弘3年（1333年）、鎌倉幕府が滅亡して建武の新政が成ると、上洛して新政権から従五位下宮内大輔に、翌建武(日本)元年（1334年）に従四位下大膳大夫に任じられた。