Rubycon Corporation is a Japanese electronics company, whose main products are electrolytic capacitors, film capacitors and power supply units with a wide range of applications including consumer, industrial, power, lighting and automotive. Founded in 1952 as Nihon Denkai Seisakusho, it changed its name to Shin-Ei Electronics Inc. in 1960. The company was formerly known as Seibu Shin-Ei Inc. and changed its name to Rubycon Corporation in December 1990. Rubycon holds a significant world market share in the capacitor market[according to whom?] and has 11 production sites – 10 in Japan and one in Indonesia. Rubycon appointed Supreme Components International, a Singapore-based electronics distributor, as their franchised distributor.