After Japanese judoka from Waseda University in Tokyo visited England in the 1920s and publicly demonstrated several counter-techniques developed at their home University, the exercises were henceforth in Britain (and later in France and other parts of Europe) represented as a formalized kata and practiced and taught that way by Kawaishi Mikinosuke, Koizumi Gunji, Ōtani Masutarō, and Tani Yukio.
When judokas from Waseda University in Tokyo traveled to England in the 1920s and publicly showed their counter-techniques, which were developed at their own university, these exercises became a standardized martial art form known as kata, which was later introduced in Britain (and France and other European countries) and taught by Kawaishi Mikinosuke, Koizumi Gunji, Ōtani Masutarō, and Tani Yukio.