Article Title,Year,Volume,Issue,Page Range,Author Comparison of Simulated Physical Load of Sidewalk Curb for Electric Manual Wheelchair Users and Visually Impaired People,2009,7,1,1251-1256,Ikeda Development of an Emergency-shutdown System for the Commercially-supplied Joystick-type Electric-wheelchair,2009,7,1,1245-1250,Masuzawa Radio-controlled electric vehicles,2006,4,2,947-951,Masuzawa