After graduation, he joined the Morimura-gumi, but on the recommendation of ex-Chōshū politicians Inoue Kaoru, he joined his uncle’s company, the Fujita-gumi (current Dowa Holdings), and in 1891 was assigned management of the Kosaka mine in Kosaka, Akita, one of the largest lead, copper and zinc mines in Japan.

[1] In 1928, Kuhara was elected to the lower house of the Diet of Japan as a member of the Rikken Seiyūkai from the Yamaguchi 1st Electoral District, and was made Minister of Communications the same year in the Tanaka administration[2] He served as secretary-general of the Rikken Seiyūkai in 1931 under Inukai Tsuyoshi.

However, Kuhara was briefly arrested after the February 26 incident and forced to resign from the party after it was discovered that he had made a financial contribution to the rebels.

[4] In 1940, he presided over the absorption of the party into Fumimaro Konoe’s Taisei Yokusankai, thus fulfilling his ambition of creating a one-party state.

One of his residences, which was in Sumiyoshi village in Kobe〈now, near Sumiyoshi Station (JR West), to which it is said that he crossed his private bridge shown above on his private carriage with chauffeur from the main gate of his residence also shown above to go, and Nada High School〉had a hospital, electric power plant and the custom-made air-conditioning tunnel from Mount Rokkō for itself in the era without air conditioning.