Private company
Logo: Rubycon Corporation, Public domain, via Wikimedia Commons3
Japanese electronics company
Rubycon Corporation (ルビコン株式会社, Rubikon Kabushiki-gaisha) is a Japanese electronics company.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Rubycon Corporation (ルビコン株式会社, Rubikon Kabushiki-gaisha) is a Japanese electronics company.2
Founded in 1952 as Nihon Denkai Seisakusho (有限会社日本電解製作所), the company changed its name to Shin-Ei Electronics Inc. (信英電子株式会社) in 1960. It was formerly known as Seibu Shin-Ei Inc. and changed its name to Rubycon Corporation in December 1990.
In 2010, Rubycon appointed Supreme Components International, a Singapore-based electronics distributor, as their franchised distributor.
From Wikipedia’s article on Rubycon Corporation, shared under CC BY-SA 4.0.4
Listed on Wikidata.1
Rubycon's main products are electrolytic capacitors, film capacitors and power supply units with a wide range of applications including consumer, industrial, power, lighting and automotive.
Rubycon holds a significant world market share in the capacitor market, and has 11 production sites – 10 in Japan and one in Indonesia.
From Wikipedia’s article on Rubycon Corporation, shared under CC BY-SA 4.0.4
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