Katsumi Nakamura Architect & Associates, Hiroshima. Katsuhiro Shimizu + MS4D, Tokyo. Kashiwagi Sui Associates, Tokyo. Kan Izue, Osaka. Kubota Architect Atelier, Hiroshima 窪田勝文／窪田建築アトリエ. Kohsuke Kawa Architect, Tokyo. Kohki Hiranuma/ Hs WorkShop-ASIA, Osaka. Koh Kitayama + architecture WORKSHOP, Tokyo. Kochi Architect's Studio, Tokyo. Kiyotoshi Mori + Natsuko Kawamura / MDS, Tokyo. Kiyonobu Nakagame Architects and Associtates, Kanagawa. Kenjiro Tojima Architects, Otaru. Kazuhiko Oishi Architecture Atelier, Fukuoka. Kenji Yasuda Architect Studio, Osaka. Kengo Kuma & Associates, Tokyo. Keiichi Hayashi Architect, Osaka. Kazunori Fujimoto Architect & Associates, Hiroshima. Kawai Architects, Kyoto. Katsuyuki Fujimoto Architect & Associates Office, Hyogo. Kawahito Architects, Sapporo. Katsuyuki Ozeki, Tokyo. Katsuya Okabe Office, Tokyo.