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Makoto Tomioka (富岡 誠 Tomioka Makoto?, January 1, 1897 - October 15, 1926) was a Japanese author and anarchist. He was also known as Tetsu Nakahama (中浜 哲 Nakahama Tetsu?). He was a member of the anarchist Guillotine Society which made two assassination attempts to avenge the murder of Sakae Osugi, Noe Ito, and Osugi's 6-year old nephew, by the military, on secret orders from Hirohito.
He was executed for various anti-government acts, including a plan to assassinate Prince Hirohito.