“The National Archives of Japan preserves government documents and records of importance as historical materials received by the Prime Minister from various government ministries and agencies, and makes them available to the public with the aim of achieving appropriate preservation and use of such government documents and records that are in the custody of the National Archives or government organs….”

Shared Repositories, Shared Benefits: Regional and Consortial Repositories in Japan | Ariadne: Web Magazine for Information Professionals

“The ShaRe Project (Shared Repository Project 2008-2009), which aimed to promote the concept of consortial repositories and facilitate their implementation, has made a significant contribution to the rapid growth of institutional repositories (IRs) in Japan. Following precedents including White Rose Research Online (UK) and SHERPA-LEAP (UK), 14 regional consortial repositories have been set up on a prefectoral basis across Japan*. Their success is demonstrated by the fact that as many as 92 bodies have set up IRs despite having no institutional hardware of their own.

In this article we discuss the role and effectiveness of consortial repositories in Japan. Consortial repositories make it possible for each institution to reduce its economic and system management overheads, especially in the case of small and medium-sized universities. Consequently, repository managers can focus their efforts on other important activities, such as content recruitment. Furthermore, consortial repositories have played a significant role in the development of community co-operation among participating organisations, which has contributed greatly to the expansion of the Open Access movement in Japan….”