Born in Osaka in 1905, Osamu Shiihara emerged as a significant figure in the Japanese photographic scene during the 1930s. He was deeply involved in the avant-garde circles of the time, participating in groups that sought to push the boundaries of traditional photographic practice through experimentation with form and perspective.

Shiihara is noted for his engagement with modernist aesthetics, often utilizing techniques that emphasized abstract compositions and the interplay of light and shadow. His work reflects the broader shift toward subjective and experimental photography that characterized the Japanese avant-garde during his active years.

While his historical significance is established within the context of Japanese photographic history, his legacy continues to be studied by scholars interested in the evolution of modernism in Asia. His work remains a reference point for the development of experimental photography in the 20th century.