Designing Transportation Services Based on HCD. - Kiko Yamada-Kawai; Naotake Hirasawa; Shinya Ogata; Shou Ohtsu (HCI (8), 2009)

Integration of user interface design process. - Naotake Hirasawa; Shinya Ogata; Kiko Yamada-Kawai; Hideaki Kasai (PROFES (2), 2010)

Connecting Envisioning Process to User Interface Design Process. - Naotake Hirasawa; Shinya Ogata; Kiko Yamada-Kawai (HCI (11), 2011)