This presentation introduces the audience with Open Science developments in Japan. First, it introduces the policy developments related to open access and Open Science in Japan, which explains the ignorance of Japanese academia on these issues. Next, the Japan-wide research data platforms to be provided to all Japanese universities by the National Institute of Informatics is introduced which aim to engage the Japanese academia by providing a data management platform to be used in active research. The importance of laying a context for research data management within the academic institution is stressed and the drafting of the “Research Data Management Charter in Academic Institutions” by AXIES, the Japanese-version of EDUCAUSE in the US, is introduced. Finally, it refers to the possibility of establishing a data sharing environment apart from commercial entities.