Academic conference
1.
1985/04
~
The Socio-Economic History Society
2.
1987/04
~
The Society for the History of Japanese Economic Thought
3.
2004/04
~
2014/06
∟ Editorial board member
4.
2008/04
~
∟ Secretary
5.
1994/01
~
the Business History Society of Japan
6.
1998/01
~
2001/12
∟ Secretary
7.
2005/01
~
2010/12
∟ Chairman of the PR committee
8.
2011/01
~
2014/12
∟ a member of a council
9.
1995/04
~
the Japanese Society of the History of Economic Thought
10.
2005/04
~
2007/03
∟ a member of the editorial board
11.
1998/04
~
2014/03
Community for Innovation of Education and learning through Computers and communication networks
12.
1998/04
~
2012/03
∟ a member of the editorial board
13.
2004/04
~
2014/03
∟ an auditor
14.
1998/04
~
the Society of Media History
15.
2000/07
~
The Society of Japanese Colonial Studies
16.
2010/04
~
Shibusawa Study Group
17.
2020/04
~
∟ Auditor