1951: Born on April 2nd, in Tokyo.
1976: Graduates from Meiji Gakuin University, Faculty of Economics.
1985: Appointed the Executive Director of Aikikai Foundation.
1996: Becomes the Chairman of Aikikai Foundation.
1999: Assumes the title of Aikido Doshu.
2006: Awarded the Anshetta Medal of Sao Paulo, Brazil.
2009: Awarded the Friend ship Medal from the President of Russia.
2010: Appointed Professor of special invitation by Kogakkan University.
2012: Appointed Chairman of the Aikikai Public Interest Incorporated Foundation after the transition from Aikikai Foundation. Awarded the Gold Medal of Valencia Polytechnic University in Spain.
2013: Receives the Medal with Blue Ribbon of Honor from the Emperor of Japan.