After the Shinseito merged into the Shinshinto in 1996, Hata and twelve other Diet members formed the splinter Sun Party (太陽党 Taiyoto).
Hata formed the splinter Sun Party (太陽党 Taiyoto). Twelve other Diet members formed the splinter Sun Party (太陽党 Taiyoto). The Shinseito merged into the Shinshinto in 1996.