Company History

Tokuyama Corporation was originally established in 1918 as Nihon Soda Kogyo Co., Ltd. The company's founder, Katsujiro Iwai, aimed to set up production of soda ash in Japan. During a history spanning over 90 years, Tokuyama confronted a changing environment while contributing to the development and growth of Japan's economy. The company is currently engaged in a wide array of business fields.

Feb 1918

Established "Nihon Soda Kogyo Co., Ltd." to produce soda ash in Tokuyama, Yamaguchi Prefecture (currently Shunan City)

Jan 1936

The Company name is changed to "Tokuyama Soda Co., Ltd."

Mar 1938

[Commenced cement business]

Commenced production of cement by employing a wet process that makes use of by-products from soda ash operations

Jan 1940

Commenced production of calcium chloride

The Factory as it was at the time of establishment

Mar 1952

[Commenced electrolytic chlor-alkali business]

Commenced electrolytic chlor-alkali productions

Dec 1960

Completed construction of Nanyo plant in Nanyo, Yamaguchi Prefecture (currently Shunan City) with the aim of expanding cement business

1960s Cement kiln

Jul 1964

[Commenced petrochemicals business]

Commenced production of propylene oxide by employing chloride that makes use of by-products from caustic soda operations.

Sep 1966

[Commenced polyvinyl chloride business]

Commenced polyvinyl chloride business with the establishment of a manufacturing subsidiary

Mar 1967

[Commenced ion exchange membrane business]

Jun 1967

Completed construction of Higashi plant in Tokuyama, Yamaguchi Prefecture (currently Shunan City) with the aim of expanding the petrochemical business

Dec 1960

Established isopropyl alcohol (IPA) plant

1970s
Isopropyl alcohol
plant

Jan 1976

[Commenced polypropylene film business]

Commenced production of Biaxially-oriented polypropylene film

Mar 1978

[Commenced dental materials and equipment business]

Aug 1982

[Commenced fine chemicals business]

Entered the fine chemicals market with the sale of plastic lens materials

Aug 1983

[Commenced IC chemicals business]

Entered the electronic materials market with the sale of High-purity chemicals for electronics manufacturing

Oct 1983

[Commenced clinical analyze and laboratory information systems business]

Nov 1983

Switched over from the caustic soda manufacturing method to the ion exchange membrane method.

Jul 1984

[Commence electronic materials business]

Commence production of High-purity polycrystalline silicon

Apr 1985

[Commenced Aluminum nitride business]

Apr 1985

Completed construction of Kashima Factory in Hasaki, Ibaraki Prefecture (currently Kamisu city) with the aim of expanding the fine chemicals business

Dec 1985

[Commenced gas sensors business]

Entered the sensor business with equity participation in Figaro Engineering Inc., a manufacturer of semiconductor type gas sensors

Mar 1989

Established Tokuyama America Inc. as a US-based subsidiary

May 1989

Completed construction of the Tsukuba Research Laboratory in Tsukuba, Ibaraki Prefecture

Aug 1989

Established Tokuyama Europe GmbH. as a German-based subsidiary

1980s
polycrystalline silicon plant

Kashima Factory

Apr 1994

The company name is changed to "Tokuyama Corporation"

Jul 1995

Established Hantok Chemicals Co., Ltd., in South Korea as a joint venture to produce developing fluids for semiconductors

Jun 1996

Established Tokuyama Asia Pacific Pte.Ltd. as a Singapore-based subsidiary and Tokuyama Electronic Chemicals Pte. Ltd. in Singapore as a refinery and distributor of high-purity chemicals for electronics manufacturing

Aug 1996

Established Taiwan Tokuyama Corporation in Taiwan as a refinery and distributor of high-purity chemicals for electronics manufacturing

Aug 2000

[Commenced the recycling & environment business]

Sep 2002

Established Shanghai Tokuyama Plastics Co., Ltd. in Shanghai, China as a manufacturing and sales company of microporous film

Shanghai Tokuyama Plastics Co., Ltd.

Sep 2005

Established Tokuyama Trading (Shanghai) Co., Ltd., a sales company, in Shanghai, China and Tokuyama Chemicals (Zhejiang) Co., Ltd. in Zhejiang, China as a manufacturing and sales company of fumed silica

Jan 2008

Established Tokuyama Korea Co., Ltd., a sales company, in Seoul, Korea

Aug 2009

Established Tokuyama Malaysia Sdn. Bhd. in Malaysia as a manufacturing and sales company of polycrystalline silicon

Jun 2011

Established Tianjin Tokuyama Plastics Co., Ltd. in Tianjin, China as a manufacturing and sales company of microporous film

May 2013

Established Tokuyama (Shanghai) Co., Ltd, in China, as a management company to provide services for other group companies in China

Jun 2013

Established Tokuyama Nouvelle Calédonie S.A., in New Caledonia, as a manufacturing and sales company of cement

Oct 2014

Commenced production and sales of polycrystalline silicon at Tokuyama Malaysia Sdn. Bhd.

Jun 2015

Commenced operations of cement clinker export loading equipment

Tokuyama Chemicals (Zhejiang) Co., Ltd.

Tokuyama Chemicals (Zhejiang) Co., Ltd.

Tokuyama Nouvelle Calédonie S.A.

Tokuyama Nouvelle Calédonie S.A.

May 2016

Unveiled a new Medium-Term Management Plan "Cornerstone of the Group's Revitalization" Announced details of the overarching "Tokuyama Vision" to undertake a new foundation

May 2017

Transferred all of the shares of Tokuyama Malaysia Sdn. Bhd. to OCI Company Ltd. in Korea

Apr 2018

Acquired all of the shares of Tokuyama Central & Soda Inc., changed the company's name to Tokuyama Soda Trading Co., Ltd.

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