Official Work Experience
|
| (Nerima ward Karatedo Federation) |
| 3 sessions 7years (From April 1969 to March 1974) The First Chairman |
| 2 sessions 4 years (From April 1970 to March 1978) Vice-president |
| April 1978 to Present President |
| (Tokyo Metropolitan Karatedo Federation) |
| 1 year (From April 1969 to March 1970) Director and Chief of News Committee |
| 1 Session 2 years (From April 1970 to March 1978) Director, Vice-secretary-general and Chief of Public |
| Relations Division |
| 1 Session 2 years (From April 1972 to March 1974) Executive Director and Secretary-general |
| 2 sessions 4 years (From April 1974 to March 1978) The 3rd Chairman |
| 6 sessions 12 years (From April 1978 to March 1990) Vice-president |
| 4 sessions 5 years (From April 1990 to March 1995) Permanent Advisor |
| (April 1995 to present) Permanent Counselor |
| (Japan Karatedo Federation) |
| 5 sessions 9 years (From May 1972 to March 1981) vice-secretary-general and chief of technical division |
| 5 sessions 10 years (From April 1972 to March 1982) Member of Central Technical Division |
| (1977 to present) 2nd Kyu Examiner |
| 1 Session 2 years (From April 1990 to March 1991) The Chairman of the Kanto Region Conference |