A Web-based home welfare and care services request system using a pen type image sensor. - Hidekuni Ogawa; Hiromichi Maki; Ishio Ninomiya; Yoshiharu Yonezawa; Haruhiko Sato; W. Morton Caldwell (CCNC, 2004)

A new infusion pathway intactness monitoring system. - Hidekuni Ogawa; Yoshiharu Yonezawa; Hiromichi Maki; Ishio Ninomiya; Koji Sata; Shingo Hamada; W. Morton Caldwell (EMBC, 2006)