Collaboration between JAEA and NCBJ has been very intensive in the last few years. Subject of the cooperation is R&D in the field of HTGR technology. Main contents of the cooperation are evaluation on irradiation properties about fuel and materials, design of HTGR for process heat generation and research on high temperature technologies market in industry. Both Polish and Japanesee infrastructures are utilised.
If you are interested in more details, please look at the following links:
https://www.jaea.go.jp/english/news/press/p2017051901/
https://www.ncbj.gov.pl/en/aktualnosci/cooperation-between-ncbj-and-jaea-enters-next-phase
https://www.ncbj.gov.pl/en/aktualnosci/ncbj-agreement-joint-research-nuclear-technology-japanese