- 2003
- International Architectural Competition for the design of the Freedom Park in Pretoria"
-
South Africa
- 2000
- Proposal Competition for the Kazawa Highlands Institution for the Study of Nature
-
Gunma Prefecture, Nominated
- 1998
- International Architectural Competition for the Museum of World Culture in Goeteborg
-
Sweden
- 1997
- International Architectural Competition for the Construction of Goree Memorial
-
Senegal
- 1995
- Minamata Memorial Design Competition
-
4th Prize
- 1980
- The Shinkenchiku Residential Design Competition 1980
-
2nd Prize