"Hiroyuki Umemuro,Motoki Takayama","Computer Keyboard with Dynamic Key Layout Change",,"Gerontechnology",,"Vol. 2","No. 1","pp. 107",2002,
"Kenji Hirano,Hiroyuki Umemuro","XML Support for Business System Transformation Model",,"Technical Report, Department of Industrial Engineering and Management, Tokyo Institute of Technology",,"Vol. 2002-2",,,2002,
"Hiroyuki Umemuro,Jun Yamashita","Detecting User's Confusion based on Pupil Dialation",,"Technical Report, Department of Industrial Engineering and Management, Tokyo Institute of Technology",,"Vol. 2002-1",,,2002,
"HIROYUKI UMEMURO","Japanese Elderly and Computers in the Workplace",,"Gerontechnology",,"Vol. 2","No. 1","pp. 63-67",2002,