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.

1918-1944 Establishment and specialization in soda production

February 1918 Established "Nihon Soda Kogyo Co., Ltd." to produce soda ash in Tokuyama, Yamaguchi Prefecture (currently Shunan City).
January 1936 The Company name is changed to "Tokuyama Soda Co., Ltd."
March 1938 [Commenced cement business]
Commenced production of cement by employing a wet process that makes use of by-products from soda ash operations
January 1940 Commenced production of calcium chloride
The Factory as it was at the time of establishment

The Factory as it was at the time of establishment

1945-1960 Expansion of the inorganic chemicals business

March 1952 [Commenced electrolytic chlor-alkali business]
Commenced electrolytic chlor-alkali productions.
December 1960 Completed construction of Nanyo plant in Nanyo, Yamaguchi Prefecture (currently Shunan City) with the aim of expanding cement business
1960s Cement kiln

1960s Cement kiln

1961-1974 Entry into petrochemicals business

July 1964 [Commenced petrochemicals business]
Commenced production of propylene oxide by employing chloride that makes use of by-products from caustic soda operations.
September 1966 [Commenced polyvinyl chloride business]
Commenced polyvinyl chloride business with the establishment of a manufacturing subsidiary.
March 1967 [Commenced ion exchange membrane business]
June 1967 Completed construction of Higashi plant in Tokuyama, Yamaguchi Prefecture (currently Shunan City) with the aim of expanding the petrochemical business.
July 1972 Established isopropyl alcohol (IPA) plant
1970s Isopropyl alcohol  plant

1970s
Isopropyl alcohol plant

1975-1989 Entry into specialty and processing business
- Shifted to high-value-added businesses including electronic materials and fine chemicals after overcoming difficulties caused by the two oil crises of the 1970s -

January 1976 [Commenced polypropylene film business]
Commenced production of Biaxially-oriented polypropylene film
March 1978 [Commenced dental materials and equipment business]
August 1982 [Commenced fine chemicals business]
Entered the fine chemicals market with the sale of plastic lens materials
August 1983 [Commenced IC chemicals business]
Entered the electronic materials market with the sale of High-purity chemicals for electronics manufacturing.
November 1983 Switched over from the caustic soda manufacturing method to the ion exchange membrane method.
December 1983 [Commenced clinical analyze and laboratory information systems business]
July 1984 [Commence electronic materials business]
Commence production of High-purity polycrystalline silicon.
April 1985 [Commenced Aluminum nitride business]
Completed construction of Kashima Factory in Hasaki, Ibaraki Prefecture (currently Kamisu city) with the aim of expanding the fine chemicals business
December 1985 [Commenced gas sensors business]
Entered the sensor business with equity participation in Figaro Engineering Inc., a manufacturer of semiconductor type gas sensors
March 1989 Established Tokuyama America Inc. as a US-based subsidiary
May 1989 Completed construction of the Tsukuba Research Laboratory in Tsukuba, Ibaraki Prefecture.
August 1989 Established Tokuyama Europe GmbH. as a German-based subsidiary.
1980s polycrystalline silicon plant.

1980s polycrystalline silicon plant.

Kashima Factory

Kashima Factory

1990-2004 Strengthening and restructuring of business
-Group operations and selection and concentration of business-

April 1994 The company name is changed to "Tokuyama Corporation"
July 1995 Established Hantok Chemicals Co., Ltd., in South Korea as a joint venture to produce developing fluids for semiconductors
June 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.
August 1996 Established Taiwan Tokuyama Corporation in Taiwan as a refinery and distributor of high-purity chemicals for electronics manufacturing
August 2000 [Commenced the recycling & environment business]
September 2002 Established Shanghai Tokuyama Plastics Co., Ltd. in Shanghai, China as a manufacturing and sales company of microporous film
TOKUYAMA

Shanghai Tokuyama Plastics Co., Ltd.

Shanghai Tokuyama Plastics Co., Ltd.

2005- Aiming toward raising corporate value

September 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
January 2008 Established Tokuyama Korea Co., Ltd., a sales company, in Seoul, Korea
August 2009 Established Tokuyama Malaysia Sdn. Bhd. in Malaysia as a manufacturing and sales company of polycrystalline silicon
June 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
June 2013 Established Tokuyama Nouvelle Calédonie S.A., in New Caledonia, as a manufacturing and sales company of cement
October 2014 Commenced production and sales of polycrystalline silicon at Tokuyama Malaysia Sdn. Bhd.
Tokuyama Chemicals (Zhejiang) Co., Ltd.

Tokuyama Chemicals (Zhejiang) Co., Ltd.

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