Terata was first elected to the post of governor in 1997 after serving as mayor of
Yokote, Akita since 1991. He ran in
House of Councillors election in 2010 as a
proportional candidate of
Your Party, received 45,846 votes nationwide and won a seat ranking 4th on his party list. He served until his retirement in 2016. He attempted to run once more for Governor of Akita after this, but was defeated. == References ==