Being present at both the Venice Biennale in 1966 and at the São Paulo Biennale in 1971, Ay-O was one of the "Twelve Japanese Artists from the Venice Biennale 1952-2001," in Art Tower Mito ATM, Mito. At the Mori Art Museum, Tokyo, Ay-O was part of two exhibitions: "Tokyo-Berlin / Berlin-Tokyo" in 2005 and "All about laughter" in 2007. The MOMA also has several posts about Ay-O : One about his return to Tokyo in 1966 after 8 years in NY , a few about Japanese contributions to the Fluxus movement , or more generally Fluxus where Ay-O is present .
Ay-O participated in two prominent art events: the Venice Biennale in 1966 and the São Paulo Biennale in 1971. He was included in the "Twelve Japanese Artists from the Venice Biennale 1952-2001" exhibition at Art Tower Mito ATM, Mito. Ay-O also showcased his work at the Mori Art Museum, Tokyo, in two separate exhibitions: "Tokyo-Berlin / Berlin-Tokyo" in 2005 and "All about laughter" in 2007. The Museum of Modern Art (MOMA) has written several articles about Ay-O , including one about his return to Tokyo after eight years in New York City, as well as pieces on Japanese artists' contributions to the Fluxus movement and Ay-O's presence within the broader Fluxus context.