The founder, Chobei Osakaya, began brewing sake in the Nada region in Hyogo in 1711. It is one of the oldest and largest breweries in Japan. The name Ozeki is a high-ranking title in sumo wrestling. The champion’s title, Yokozuna, wasn’t adopted because they wanted to promise themselves to always continue to aim for higher quality. Today it still is one of the leading companies driving innovations in the industry.