His work frequently included geometric shapes like circles, rectangles, and triangles, leading to his reputation as a pioneer of scientifically oriented design.
The same year he formed a group called "Kokusho" with three other artists who studied under Tsuda.
[2] In 1937, he helped to found the Free Artists Association (Jiyu Bijutsuka Kyokai).
[3] During World War II, Onosato conscripted to the Japanese Army and was sent to Manchuria.
The patterns create a path for the viewer's eye to follow, and his use of color works as another guide.