1973 : Graduated from Hitotsubashi University, Faculty of Law
1975 : Completed apprenticeship at the Legal Training and Research Institute
1976 : Registered as attorney at law in Japan (Member of Tokyo Bar Association till 1981)
1983 : Graduated from The University of Tokyo Graduate Schools for Law and Politics (Doctor of Laws)
1984 : Joined Faculty of Law, Politics and Economics of Chiba University as Assistant Professor
1995 : Joined Faculty of Law of Hitotsubashi University as Professor
2004 : Served as Director of Hitotsubashi University J.D. Program
2011 : Temporary Member of the Legislative Council of the Ministry of Justice (Special Committee on New Criminal Justice System for the New Era)
2014 : Joined Graduate School of Law of Aoyama Gakuin University as Professor
2016 : Served as Dean of Professional School of Law of Aoyama Gakuin University
Present : Emeritus Professor of Hitotsubashi University and Aoyama Gakuin University
Becoming Stronger in Hearsay Law (Nippon Hyoronsha, 2019)
Co-editor, “New Commentary on the Code of Criminal Procedure [3rd ed.],” (Nippon Hyoronsha, 2018)
Co-editor, “Series Considering Criminal Justice, Volumes 0-6,” (Iwanami Shoten, 2017)
Co-editor, Practical System of Modern Criminal Defense 1-3 (Dai-Ichi Hoki, 2013-2014)
New Edition: We and the Trial” (Iwanami Junior Shinsho 547, 2006)
The Logic of Investigation Law” (Iwanami Shoten, 2001)
A Study of the Legislative History of Criminal Appeals (Seibundo, 1987)
