| １９３８ | Born in Osaka, Japan |
| １９５８ |
Graduated from Ogimachi Daini Commercial High School Appointed as a full-time organizer with the Osaka Prefectural Branch Office of Buraku Liberation League(BLL) |
| １９６８ | Elected as Secretary General of the Osaka Prefectural Office of BLL |
| １９７３ |
Elected as President of the Osaka Prefetural Office of BLL Founded the Osaka Association of Small Businesses (Renamed as Tigre in 1996) |
| １９８０ | Appointed as Deputy Director of the International Bureau of the Socialist Party of Japan |
| １９８８ | Elected as Internal Auditor of the International Movement Against All Forms of Discrimination and Racism (IMADR) |
| １９９０ |
Appointed as Chair of the Financial Affairs Commission of the Socialist Party Elected as Vice-President of the Anti-Apartheid Parliamentarians’ League |
| １９９３ | Lost seat in the House of Representatives |
| １９９４ | Elected as Secretary General of BLL |
| １９９６ |
Elected as President of BLL Assumed Honorary President of IMADR Renamed the Association of Small Businesses to Tigre |
| １９９８ |
Appointed as Honorary Advisor to BLL Elected as a member of the Executive Board of Japan-Russia Friendship Forum |
| ２０００ |
Elected as Acting Chair of the Chiune Sugihara Centennial Celebration Committee Presented a special award in recognition of his devotion to the community development of Harlem |
