List of representatives Haruo Okada, Socialist Party of Japan, 1947, 1949, 1952, 1953, 1955, 1958, 1960, 1963, 1967, 1972, 1976, 1979, 1980, 1983 Tadashi Kodaira, Socialist then Social Democratic, 1949・1953・1955・1958・1963・1967・1969・1972・1976・1979・1983 Seiichi Ikehata, Social Democratic Party, 1976–1979, 1983–1996 Shōichi Watanabe, Liberal Democratic Party, 1979, 1980, 1983, 1986, 1990, 1993 Tatsuo Takahashi, Liberal Democratic Party, 1979–1990, 1993–1996 Yukio Hatoyama, Liberal Democratic Party until 1993, New Party Sakigake, 1986–1996 Tadamasa Kodaira, Social Democratic Party, 1990–1996
Election results 1993 Japanese general election Yukio Hatoyama, New Party Sakigake, 111,824 votes Tatsuo Takahashi, Liberal Democratic Party, 81,334 votes Seiichi Ikehata, Social Democratic Party, 73,433 votes Shōichi Watanabe, Liberal Democratic Party, 73,410 votes Tadamasa Kodaira, Social Democratic Party, 71,993 votes 1990 Japanese general election Seiichi Ikehata, Social Democratic Party, 102,553 votes Yukio Hatoyama, Liberal Democratic Party, 85,516 votes Tadamasa Kodaira, Social Democratic Party, 85,210 votes Shōichi Watanabe, Liberal Democratic Party, 81,793 votes 1986 Japanese general election Tatsuo Takahashi, Liberal Democratic Party, 100,297 votes Yukio Hatoyama, Liberal Democratic Party, 93,001 votes Seiichi Ikehata, Social Democratic Party, 87,603 votes Shōichi Watanabe, Liberal Democratic Party, 84,626 votes 1983 Japanese general election Shōichi Watanabe, Liberal Democratic Party, 77,696 votes 1980 Japanese general election Shōichi Watanabe, Liberal Democratic Party, 77,918 votes 1979 Japanese general election Shōichi Watanabe, Liberal Democratic Party, 74,002 votes 1976 Japanese general election 1972 Japanese general election 1967 Japanese general election 1963 Japanese general election 1960 Japanese general election 1958 Japanese general election 1955 Japanese general election 1953 Japanese general election 1952 Japanese general election 1949 Japanese general election 1947 Japanese general election