A comment by Akira Igata, Director of ESRP, Research Center for Advanced Science and Technology, The University of Tokyowas quoted in Nihon Keizai Shimbun in an article (11/01/2023). Drawing upon his own experiences, he highlighted the issue that the absence of a security clearance system prevents participation in international conferences. He advocated for the expedited implementation of such a system.
The full article can be accessed through this link (in Japanese).