The Council of Experts Concerning the Follow-up of Japan’s Stewardship Code and Japan’s Corporate Governance Code has published “Publication of “Corporate Boards Seeking Sustainable Corporate Growth and Increased Corporate Value over the Mid – to Long – Term.
See Publication in PDF: – http://www.fsa.go.jp/en/refer/councils/follow-up/statements_2.pdf
The Board Director Training Institute (BDTI) is a "public interest" nonprofit in Japan dedicated to training about directorship, corporate governance, and related management techniques. It is certified by the Japanese government to conduct these activities as a regulated nonprofit. Read a summary about BDTI here, and see a menu of its services for both corporations and investors here.