Company History
1950─
| 1952 |
Apr.Founded Nihon Denkai Seisakusho.Commenced production of aluminum electrolytic capacitors. |
|---|---|
| 1953 |
Mar.Changed the company name to Shin-Ei Tsushin Kogyo. |
| 1953 |
Apr.Opened Tokyo Branch. Established Rubycon trademark. |
| 1954 |
Feb.Changed the company name to Shin-Ei Tsushin Kogyo Inc. |
1960─
| 1960 |
Nov.Established Shin-Ei Electronics Inc. (current Matsukawa Factory) (Nagano Pref.) |
|---|---|
| 1963 |
Jul.Opened Osaka Branch. (Osaka) |
| 1963 |
Oct.Established Shin-Ei Kikai Seisakusho Inc. (current Rubycon Engineering Inc.) (Nagano Pref.) |
| 1969 |
Jul.Opened Nagoya Sales Office. (current Nagoya Branch) (Aichi Pref.) |
| 1969 |
Nov.Established Minowa Shin-Ei Inc. (current Masumi-ga-Oka Factory) (Nagano Pref.) |
1970─
| 1972 |
Feb.Established Rubycon Singapore Pte.,Ltd. (Singapore) |
|---|---|
| 1973 |
Sep.Established Shin-Ei Capacitor Foil Inc.(S.C.F) (Nagano Pref.) |
| 1974 |
Jan.Established Niigata Shin-Ei Inc. (current Niigata Factory) (Niigata Pref.) |
| 1978 |
MayEstablished Tohoku Shin-Ei Inc. (current Fukushima Factory) (Fukushima Pref.) |
| 1979 |
Apr.Headquarters’ Main Factory Second Manufacturing Section (current Second Manufacturing Group) started operation. |
| 1979 |
Jun.Established Rubycon America Inc. (U.S.A.) |
1980─
| 1982 |
Feb.Opened Hong Kong Office. (current Rubycon Hong Kong Limited) (Hong Kong) |
|---|---|
| 1982 |
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 Factory) (Akita Pref.) |
| 1985 |
Apr.Opened Hiroshima Extention Office. (current Hiroshima Sales Office) (Hiroshima Pref.) |
| 1986 |
Jul.Opened Taiwan Branch. (Taiwan) |
1990─
| 1990 |
Jan.Opened Mito Sales Office. (Ibaraki Pref.) |
|---|---|
| 1990 |
Dec.Changed the company name to Rubycon Corporation together with each group company.Transferred headquarters to Nishi-Minowa, Ina City, Nagano Pref. |
| 1994 |
Jul.Established P.T.Rubycon Indonesia. (Indonesia) |
| 1997 |
Feb.Opened Rubycon Singapore Pte., Ltd. Thai Branch. (current Rubycon International (Thailand) Co., Ltd.) (Thailand) |
2000─
| 2001 |
MayOpened HAN KUK SHIN YEONG Co.,Ltd. Korea Seoul Office. (current Rubycon Korea Co., Ltd.) (Korea) |
|---|---|
| 2002 |
Apr.Completed Rubycon Corporation Technical Center. (Nagano Pref.) |
| 2002 |
Aug.Opened Representative Office Munich. (Germany) |
| 2002 |
Oct.Established Rubycon International (Shanghai) Co.,Ltd. (The Peoples Republic of China) |
| 2003 |
Apr.Opened Netherlands Branch. (Netherlands) |
| 2004 |
Feb.Completed construction of the Ina Factory Building. (Nagano Pref.) |
| 2006 |
Apr.PML Division transferred to Rubycon Electronics Inc.(current Matsukawa Factory) and started production of PMLCAP®. |
| 2009 |
Oct.New factory (for large snap-in type) was added at P.T.Rubycon Indonesia (Indonesia) |
2010─
| 2010 |
Oct.New factory (for high-voltage lead-wire type) was added at P.T.Rubycon Indonesia (Indonesia) |
|---|---|
| 2011 |
MayOpened Rubycon Singapore Pte.,Ltd Mumbai Liaison Office (The Republic of India) |
| 2011 |
Nov.Completion of new management building at Rubycon Engineering Inc. (Nagano pref.) |
| 2019 |
Dec.Opened Rubycon Singapore Pte.,Ltd. Bengaluru Liaison Office
(The Republic of India) |
2020─
| 2021 |
Oct.Merged with Akita Rubycon Corporation, Fukushima Rubycon Corporation, Seibu Rubycon Corporation and Niigata Rubycon Corporation. |
|---|---|
| 2022 |
Jan.Established Rubycon Hong Kong Limited (Hong Kong) |
| 2022 |
Jul.Business transferred from Hong Kong branch |
| 2022 |
Oct.Merged with Rubycon Electronics Inc. |
| 2024 |
Apr.Merged with Rubycon Holdings Corporation |
| 2024 |
Jun.Opend P.T.Rubycon Indonesia Jakarta Liaison Office (Indonesia) |
| 2025 |
Apr.Established Rubycon India Pvt. Ltd. (India) |
| 2025 |
Jul.Established Rubycon India Pvt. Ltd. Mumbai Branch (India) |

