Mr. KOSHO Harutomo
- Liberal Democratic Party and Group of Independents
- Elected 2022, Oita Prefecture
- Current Responsibilities in the House of Councillors
（as of November 9,2026)
Committee on Judicial Affairs (Director)
Committee on Budget
Special Committee on Political Reform
Special Committee on Children, Childrearing and Youth Empowerment
Commission on the Constitution (Director)
Born:
December 23, 1957, Oita Prefecture
Education:
1980 Waseda University, School of Law
Career:
1982 passed the National Bar Examination
1985 founded Kosho Law Office
2008 President, Oita Bar Association
2022 elected to the Senate
Note: The Sangiin, which had been known as the House of Councillors, is called the Senate in English as of August 2026.
(as of October 26,2026)