From December 1976 to 1977 he held the first solo exhibition in Europe Skulptur, Foto, Video, Film (Moderna Museet Stockholm, Sweden).

He was invited by Fondation Cartier pour L'Art, and exhibited at Sculptures in Paris from 1985 to 1986 the open-air work Situation-Triangle for the first time in 14 years.

[2] He established a new base in Nishinomiya, Kobe in March 1986, since then he continued to work going back and forth between West Germany and Japan.

[2][3][4] Due to the Great Hanshin-Awaji Earthquake in 1995 he lost Nishinomiya base, moved to Minoo-city of Osaka.

[5] He was selected as a Japanese national artist along with Shigeo Toya and Katsura Funakoshi, for the 43rd Venice Biennale 1988, presented his work Inversion-Vertical space at the Japan Pavilion.

[5] He was selected for Spotlight category of the art fair of London Frieze Masters 2014, presented the 1970's photo works and sculputures.

In 2016 he exhibited his works at Tate Modern, London Performing for the Camera and solo at Simon Lee Gallery Invisible Force.

[1][2]His work of sculpture or installation is a seemingly unstable structure that combines geometric volumes (cones, spirals) of stone, copper, wood, etc.

"[1] As materials for sculptures and installation works, cloth, stone, glass, iron, stainless steel, copper, bronze, brass, lumber (mainly Douglas fir), and natural wood in their solid state are often used.