Hisaichi undertook a Master of Mechanical and Aerospace Engineering degree in 1971 as a Fulbright exchange student and then a Ph.D. at the University of Delaware in 1975. He was a professor in the Department of Biocybernetics, Faculty of Engineering, Niigata University from 1998, and also a professor in the Graduate School of Science and Technology at Niigata University. Hisaichi then joined the Department of Rehabilitation Science and Technology, School of Health and Rehabilitation Sciences, at the University of Pittsburgh and Human Engineering Research Laboratories, VA Pittsburgh Healthcare System, as visiting professor in April 2004 and as Adjunct Professor in October 2005. Following his positions in the U.S., Hisaichi returned to Japan and became a professor of at Niigata University of Health & Welfare in March 2006. There, he was a professor in the Department of Prosthetics & Orthotics and Assistive Technology, School of Health Sciences, and is now a professor emeritus. He continues as an Adjunct Professor at the University of Pittsburgh.