 In 1908 Mitsui Takamine allied with a visiting U.S. business delegation to assist in resolving The Panic of 1907 and the unstable Stock Market in the United States.In 1922, Takamine invited the Prince of Wales, the future Edward VIII, at the request of the Imperial Household Agency, and hosted a reception of the crown prince with a dinner party, a Noh viewing, etc.In 1933, as Takamine retired, he handed down the mansion at Imaichō to the eleventh head, Takakimi, but the mansion was destroyed by fire in the bombing of Tokyo in 1945.