Masatoshi Uno received the B.E. degree in electronics engineering and the M.E. degree in electrical engineering from Doshisha University, Kyoto, Japan, and the Ph.D. degree from the Graduate University for Advanced Studies, Japan, in 2002, 2004, and 2012, respectively. In April 2004, he joined Japan Aerospace Exploration Agency where he is currently a development researcher for spacecraft power systems. His current research interests include power electronics for energy storage applications, evaluations for electric double-layer capacitors and lithium-ion batteries, and development of fuel cell systems for spacecraft power systems.