There are some interesting articles floating around the net on the changes that are occurring there:
http://www.blackpressusa.com/News/Article.asp?SID=3&Title=National+News&NewsID=2941
http://www.blackpressusa.com/News/Article.asp?SID=3&Title=National+News&NewsID=2943
http://www.jewishworldreview.com/0703/black_japan.asp
http://www.msnbc.com/news/944150.asp
http://www.blackpressusa.com/News/Article.asp?SID=3&Title=National+News&NewsID=2941
http://www.blackpressusa.com/News/Article.asp?SID=3&Title=National+News&NewsID=2943
http://www.jewishworldreview.com/0703/black_japan.asp
http://www.msnbc.com/news/944150.asp