- 2014
- Higashi Nihon House Design Competition
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- 2008
- Holcim Awards Competition for Sustainable Construction
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- 2003
- Northern Osaka Station Area International Concept Competition
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Osaka
- 2001
- Echigo-Matsunoyama Museum of Natural Science
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Echigo-Tsumari Art Triennial 2003
- 2000
- 34 Model House Competition
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34 Co., Ltd., winner