It was owned and operated by sushi master Hachiro Mizutani.

[4] The restaurant had no established menu and seated a maximum of 10 patrons at a time.

[5] Kelly Wetherille of CNN considered Sushi Mizutani to be among the best five restaurants in Tokyo giving it the high end distinction.

[6] In April 2015, Sushi Mizutani was accused of discrimination against foreigners by Chinese journalist Mo Bangfu when it was reported that he attempted to make a reservation at the restaurant and was refused because he was not Japanese.

Mo Bangfu expressed his disappointment to the Nikkan Gendai newspaper, adding that he found "the conscious separation of Japanese and foreigners to be discriminatory."