A native of Kōriyama, Fukushima and graduate of Waseda University, he ran unsuccessfully for the House of Representatives in 1986 after serving in the assembly of Fukushima Prefecture for one term since 1983. He ran again in 1990 and was elected for the first time. After losing his seat in 1996, he ran unsuccessfully in 2000 but was elected in 2003. He lost his seat again in 2005. In 2007, he was elected, this time to the House of Councillors, for the first time.
- Official website in Japanese.