Military Service
Hyakutake was a graduate of the Imperial Japanese Naval Academy and the Naval War College.
He was a veteran of the First Sino-Japanese War (1894–1895) and the Russo-Japanese War (1904–1905).
He was appointed as a Vice-Admiral (Imperial Japanese Navy).
He was appointed as an Admiral (Imperial Japanese Navy) (With seniority dated 02/04/1928).
He was Grand Chamberlain of Japan (1936–1944).
He was a recipient of the Order of the Rising Sun and the Order of the Sacred Treasure.
Anecdotes
He made an official visit to the City of Vancouver. His younger brothers Gengo and Harukichi also became high ranking military officers.
