Some Japanese guitar chords sites

http://guitarlist.net/

http://rs15guitar.yu-yake.com/cord/cord.htm

http://www.geocities.jp/mamopage/score.html

http://music.j-total.net/db/search.cgi?mode=search&page=1&sort=ac_new&word=%89%CC%81FYUI/%20%89J%89%B9%8CO/&method=or

http://www9.ocn.ne.jp/~knatsu/score/score-index.html