I attended the opening ceremony of Kojima Productions L.A. and Kojima and Shinkawa were for the event. I think you can find some articles and videos if you Google "Kojima Sake".
http://www.ebay.com/itm/300994081704?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649
http://www.ebay.com/itm/300994081704?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649