富士電機
He was a Visiting Professor in Aalborg University, Denmark (1997), University of Padova, Italy (2003), Federal University of Mato Grosso Sul, Brazil (2006), Savilla University, Spain (2008), and European PhD School on Power Electronics, Italy (2010). He was a consultant in large number of agencies/industries, i.e., National Science Foundation, Electric Power Research Institute, USDA, Research Triangle Institute, GE-CRD, Bendix Corporation, Fuji Electric, Ansaldo, General Dynamics, Lutron Electronics, PCI Ozone Corporation, American Superconductors, Emerson Electric, Kolmorgen Corporation, Delco Remy, etc.