In 1986, a group of seven people enrolled in the Tokyo University Graduate School doctorial course, including Kazuhiro Kojima and Yasuyuki Ito, jointly established ‘Coelacanth’. Achievements include winning first prize in the international competition for the Osaka International Peace Center in 1990, the Utase Elementary School in 1995, and receiving the Design Prize of the Architectural Institute of Japan in 1997. Following this, the office was renamed C+A in 1998. Then in 2005, reorganized into CAt(C+A Tokyo) and CAn(C+A Nagoya), and from both offices in Tokyo and Nagoya, design architecture locally and internationally.