What is the development history of rotary sushi equipment in Japan?

The history of the revolving Sushi Belt in Japan can be traced back to the 1950s. Here are the key stages of its development:
1958: A sushi owner in Japan first tried to introduce rotary sushi in his store. The device consists of a rotating tray and seat from which customers can remove their favorite sushi.
1960s: Revolving sushi becomes popular in Japanese restaurants. More restaurants are starting to adopt this equipment to provide customers with a more convenient and fast dining experience.
1970s: With the advancement of technology, rotary sushi began to become more intelligent and automated. Some devices are starting to be equipped with sensors and automatic control systems that can adjust the speed and type of sushi according to customers' needs.
1980s: Revolving sushi becomes more popular in Japan. More and more people began to enjoy this convenient way to eat, and the revolving sushi restaurants began to expand across the country.
1990s to present: Gyro sushi continues to grow in Japan and around the world. New technologies are constantly being applied to devices, such as electronic ordering systems and smart sensors, to further enhance the dining experience for customers.
Overall, the revolving sushi has played an important role in the development of Japan, so that the revolving sushi has been widely spread and popularized.