q_
| 1947 | Graduated from Kyoto University (Formerly Himeji School of Higher Education) |
| 1958 | Secretary to Lower House Memberq_Hoshijima Jiro |
| 1967 | First elected to Lower House (currently serving 11th term) |
| 1972 | Vice-Pariamentary Minister, Ministry of Transportation |
| 1978 | Chairman, Lower House Committee on Finance |
| 1983 | Minister of the Interior , Chairman of Land Planning Agency, Hokkaido Development AgencyqNakasone Cabinetq |
| 1984 | Chairman, Tax Research Councilq3 consecutive termsq |
| 1987 | Minister of Agriculture, Forestry and Fisheriesq3rd Nakasone Cabinetq |
| 1990 | Policy Affairs Research Chairmanq2 consecutive termsq |
| 1993 | Left LDP, participated in formation of Hosokawa Cabinet |
| 1994/04 | Joined Shinseito |
| 1994/04 | Minister of Agriculture, Forestry and FisheriesqHata Cabinetq |
| 1994/12 | Joined in the Formation of New Frontier Party |
| 1998/01 | Joined in the LIBERAL PARTY |
