The Stanford Project on Japanese Entrepreneurship (STAJE) advances the study of Japanese entrepreneurship in a multi-disciplinary way, including business and economics, politics, society, anthropology and history.
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.