In the late 1950s, after visiting a brewery that used conveyor belts to bottle beer, Shiraishi opened the first sushi conveyor belt shop in Osaka, Japan. The system, called kaitenzushi ...

soy sauce bottles, teacups, and even the food moving along the conveyor belts before putting them back. Food waste is another issue. Sushi is typically prepared in advance at these establishments ...

Operators of conveyor belt sushi chains ... in Gifu licking the rims of unused teacups and the spout of a soy sauce bottle. The operator filed a complaint with local police on Jan.