National Research Institute of Brewing is the only national institute for research of alcoholic beverages and plays the role of a national center of alcoholic beverages. View National Research Institute of Brewing website
The person in charge will show you around the facilities according to the content and time you would like. Typical tour content is as follows (for about one hour):
Video presentation (in Japanese)
Tour of alcoholic beverage production experiment building
Tasting of test brewed sake (The tasting is not for minors or people who are driving)