 He later graduated from the 29th class of the Army Staff College in 1917.He was a military attaché to France from 1919–1921, participated for three months in the Versailles Peace Treaty Negotiations, and remained as a resident officer in Paris from 1921–1923, and again from 1925-1926.Machijiri was Aide-de-camp to the Emperor of Japan from 1930-1935.