Here is an effort to relink the Internet. I am posting hyperlinks of friends, collegues and stuff that is important for me at the moment. The links remain unsorted for now.
Chelsea Schieder has worked on the radical Japanese movement from an perspective of women history. She also a provides a very helpful guide to archives of radical left movements in Japan.
Robert Pauls is a political scientist who works on the political economy of China and global capitalism.
The page "Throw Out Your Books" by William Andrews is a excellent reference for news happening in the Japanese New Left. William also has a personal homepage where he presents his numerous papers and his book Dissenting Japan, which is the best overview on the history of Japanese New Left radicalism.