All Aero

Shigesaburo Torigai was a manager of an imported automobile sales and repair business in Yuraku-cho, Tokyo. Because of his new-found interest in aviation as a hobby, he organized the Nihon Hiko Kenkyukai (Japan Flight Research Association). Under this name, and to satisfy his own interest in aviation, he voluntarily managed and promoted exhibition programmes for Einosuke Shirato who flew the Narahara No.4 Ohtori-go Aeroplane on tours throughout Japan, and his ambition was to have an aeroplane of his own. To achieve this, he asked Toyokichi Daiguchi, who was associated with Narahara, for technical assistance in the building of his own aeroplane.