Matsuo Electric Co., Ltd. engages in the manufacture and marketing of tantalum capacitors, film capacitors, and circuit protection components. It operates through the following segments: Tantalum Capacitors, Circuit Protection Components, and Others. The Tantalum Capacitors segment provides solid and wet tantalum electrolytic capacitors. The Circuit Protection Components segment offers micro fuses and surge absorbers. The Others segment handles the film and aluminum electrolytic capacitors. The company was founded on December 12, 1949 and is headquartered in Osaka, Japan.