| 1942 |
Born in Saitama, Japan |
| 1968 |
Art Studies: Graduated from master course a postgraduate course of oil painting, Tama Fine Art College, Tokyo |
| 1970 |
"35th Venezia Biennale" |
| 1973 |
Established Environment Art Studio |
| 1981 |
"Turning Point of Contemporary Art of 1960's",National Museum of Modern Art Tokyo |
| 1993 |
Garalleri Akern,Norway |
| 2001 |
"Century",Tate Modern Art Gallery, Londo |
