About Rubycon


Five decades of cultivating valuable traditions and a superior management philosophy

From 1952

1952 Apr. Founded Nihon Denkai Seisakusho.Commenced production of aluminum electrolytic capacitors.
1953 Mar.
Changed the company name to Shin-Ei Tsushin Kogyo.
Apr. Opened Tokyo Branch. Established Rubycon trademark.
1954 Feb. Changed the company name to Shin-Ei Tsushin Kogyo Inc.
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From 1960

1960 Nov. Established Shin-Ei Electronics Inc. (current Rubycon Electronics Inc.) (Nagano Pref.)
1963 Jul. Opened Osaka Branch. (Osaka)
Oct. Established Shin-Ei Kikai Seisakusho Inc. (current Rubycon Engineering Inc.) (Nagano Pref.)
1969 Jul.
Opened Nagoya Sales Office. (current Nagoya Branch) (Aichi Pref.)
Nov. Established Minowa Shin-Ei Inc. (current Seibu Rubycon Inc.) (Nagano Pref.)
Dec. Established Kiso Shin-Ei Inc. (later became Kiso Rubycon Inc.) (Nagano Pref., closed in November 2016)
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From 1970

1972 Feb. Established Rubycon Singapore Pte.,Ltd. (Singapore)
Sep. Established HAN KUK SHIN YEONG Co.,Ltd. (Republic of Korea, closed in February 2004)
1973 Sep. Established Shin-Ei Capacitor Foil Inc.(S.C.F) (Nagano Pref.)
1974 Jan. Established Niigata Shin-Ei Inc. (current Niigata Rubycon Inc.) (Niigata Pref.)
1978 May Established Tohoku Shin-Ei Inc. (current Fukushima Rubycon Inc.) (Fukushima Pref.)
Jun. Established Shin-Ei Shoji L.L.C. (Nagano Pref.)
1979 Apr. Headquarters' Main Factory Second Manufacturing Section (current Second Manufacturing Group) started operation.
Jun. Established Rubycon America Inc. (U.S.A.)
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From 1980

1982 Feb.
Opened Hong Kong Office. (current Hong Kong Branch) (Hong Kong)
Jun. First Manufacturing Section in the Headquarters' Factory (current First Manufacturing Group) started operation. (Nagano Pref.)
1984 Feb. Established Akita Shin-Ei Inc. (current Akita Rubycon Inc.) (Akita Pref.)
1985 Apr. Opened Hiroshima Extention Office. (current Hiroshima Sales Office) (Hiroshima Pref.)
1986 Jul. Opened Taiwan Branch. (Taiwan)
Oct. Established Taiwan Shin-Ei Inc. (Taiwan, closed in April 2004)
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From 1990

1990 Jan. Opened Mito Sales Office. (Ibaraki Pref.)
Dec. Changed the company name to Rubycon Corporation together with each group company.
Transferred headquarters to Nishi-Minowa, Ina City, Nagano Pref.
1993 Sep.
ISO9002 certification acquired.
1994 Jul.
Established P.T.Rubycon Indonesia. (Indonesia)
1996 Nov.
ISO9001 certification acquired.
1997 Feb.
Opened Rubycon Singapore Pte., Ltd. Thai Branch. (current Rubycon International (Thailand) Co., Ltd.) (Thailand)
1998 Jun. Opened Tonouchi Clock Museum. (Nagano Pref.)
Oct. ISO14001 certification acquired.
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From 2000

2001 May. Opened HAN KUK SHIN YEONG Co.,Ltd. Korea Seoul Office. (current Rubycon Korea Co., Ltd.) (Korea)
2002 Apr. 50th anniversary of the company's foundation.
Completed Rubycon Corporation Technical Center. (Nagano Pref.)
Carillon Tower was built at the Tonouchi Clock Memorial Museum (Nagano Prefecture)
Oct. Established Rubycon International (Shanghai) Co.,Ltd. (The Peoples Republic of China)
2003 Jan. Opened Representative Office Munich. (Germany)
Apr. Opened Netherlands Branch. (Netherlands)
2004 Feb. Completed construction of the Ina Factory Building. (Nagano Pref.)
2005 Jul. Established Rubycon Carlit Co., Ltd. (Nagano Pref., closed in October 2017)
2006 Nov. ISO/TS16949 certification acquired.
2009 Oct. New factory (for large snap-in type) was added at P.T.Rubycon Indonesia (Indonesia)
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From 2010

2010 Oct. New factory (for high-voltage lead-wire type) was added at P.T.Rubycon Indonesia (Indonesia)
Dec. Established Akita Rubycon Inc. Daisen Factory (Akita Pref.)
2011 May. Opened Rubycon Singapore Pte.,Ltd India Liaison Office (The Republic of India)
Nov. Completion of new management building at Rubycon Engineering Inc. (Nagano pref.)
2016 Jan. Established foil factory for Electric Double Layer Capacitors (Nagano Pref.)
2017 Feb. Founder Mr. Teruo Tonouchi passed away at 99 years old.
2018 Mar. OHSAS18001 certification acquired.
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1938-1 Nishi-Minowa, Ina-shi, Nagano 399-4593 Japan TEL:0265-72-7111 FAX:0265-73-2914