The Tokyo Wine Society - Organization of enthusiasts holds public tastings in Tokyo. Includes information about the society, as well as upcoming and past events. - http://www.tokyowine.org/
Kizan Wine - Winery in Yamanashi prefecture; contains a broad description of the Japanese Wine Industry. - http://www.kizan.co.jp/eng/index_e.html
Institute of Enology and Viticulture - Describes history and purpose, various laboratories, and its experimental wineyard and winery (Yamanashi University). - http://www.wine.yamanashi.ac.jp/iev/E-IEV.html
Katsunuma Wine Cave - Katsunuma Wine Cave, a visit to a wine-tasting cave in Japan's wine country near Tokyo. - http://www.bento.com/winecave.html