The University of Tokyo, Faculty of Liberal Arts: 1959 – 1961
The University of Tokyo, Faculty of Law (LL.B.): 1961 – 1963
Legal Training and Research Institute of the Supreme Court of Japan: 1963 – 1965
Admission to the Bar: 1965 (Vice-president: 1979)
Nagashima & Ohno (Tokyo): 1965 – 1967
Graduate Study under a Fulbright Scholarship at University of Illinois, College of Law (M.C.L.): 1973 (Distinguished Graduate: 1998)
Arnold & Porter (Washington, D.C.); Cahill Gordon & Reindel (New York)(foreign associate): 1968 – 1969
Nagashima & Ohno (Tokyo): 1969 – 1971
Pavey, Wilson, Cohen & Carter (Melbourne); Stephen, Jaques & Stephen (Sydney)(foreign associate): 1972
Konaka Toyama & Hosoya (Tokyo): 1972 – 2001
Kyo Sogo Law Offices (in association with Dorsey & Whitney, Tokyo): 2002 – 2003
Lecturer in Law at Dokkyo University, Faculty of Law: 1970 – 1979 (Income Taxation, International Transactions)
Appointed in 1983 as a defense counsel for Kakuei Tanaka, the former Prime Minister of Japan, in the Lockheed criminal case
Adjunct Professor at University of Illinois, College of Law: 1989, 1999 – 2001 (International Business Transactions-Doing Business in Japan)
Jurisdictional Council of Inter-Pacific Bar Association: 1994 – 1997
Statutory Auditor ; Nippon Suisan Kaisha, Ltd. (Tokyo): 2005
Statutory Auditor ; MIC Medical Corporation (Tokyo): 2006

Areas of Emphasis:
Commercial and Corporate Law, Trade disputes, Licensing, Mergers and Acquisitions, Securities, Financing, Banking, and Litigation, & Arbitration