- Instituto Cervantes Tokio
- Spanish Cultural institution in Tokyo. Completed at 2007
- yomica
- Bar featuring shareing books in Tokyo. Completed at 2008
- YKK Maezawa Gaeden Okaen
- Garden to enjoy cherry blossom in Kurobe City, Toyama Prefecture. Completed 2008
- CAt
- Architecture Studio in Tokyo where Kensuke Watanabe belonged during 2000-2005
- SHoP
- Architecture Studio in N. Y. where Kensuke Watanabe belonged during 1998-1999