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History of Tosoh

Across a span of more than 75 years, Tosoh has steadily evolved into a resilient global operation that creates opportunity amid challenging times.

1935

  • Founding of Toyo Soda Manufacturing Co., Ltd. (Romanized Japanese: Toyo Soda Kogyo Kabushikigaisha)

1964

  • Opening of New York office (forerunner of Tosoh USA, Inc., established in 1979)

1968

  • Shin-Daikyowa Co., Ltd. established

1971

  • Operation of Yokkaichi Manufacturing Complex begins

1975

  • Tekkosha Co., Ltd. merged into Toyo Soda Manufacturing
  • Electrolytic manganese dioxide production begins in Greece at Tosoh Hellas A.I.C. (formerly Tekkosha Hellas S.A.)

1976

  • PVC production in Indonesia begins (P.T. Standard Toyo Polymer)
  • Founding of Amto International trading company in Amsterdam (later became Tosoh Europe B.V. in 1987)

1978

  • Ethyleneamine production in the Netherlands (Delamine B.V.) begins
  • Shin-Daikyowa merges with Chubu Chemical Co., and acquires styrene monomer
  • plant

1979

1983

1985

  • Tosoh Electronics Co., Ltd. established, sputtered hard disk production begins

1986

  • Tosoh Susteel (PPS) production begins

1987

  • Company name changed to Tosoh Corporation
  • U.S. joint venture firm TosoHaas established for sale of chromatography materials
  • Aspartame plant in the Netherlands (Holland Sweetener Company) completed

1988

  • Acquisition of Specialty Metals Division of Varian Associates now Tosoh SMD, Inc.
  • Tosoh acquires equity interest in Industrial Resins (Malaysia) Sdn. Bhd.

1989

  • Founding of Tosoh America, Inc.
  • Establishment of Tosoh Medics, Inc.
  • Ownership of NSG USA, Inc. transferred to Tosoh
  • Equity participation in Weiss Scientific Glass Blowing Co., Inc.

1990

  • Tosoh/Shin-Daikyowa merger
  • Tosoh Belgium established
  • Equity participation in Eurogenetics

1992

  • Establishment of Nippon Silica Glass Europe
  • Equity participation in General Chemical (Soda Ash) Partners

1993

  • Tosoh SMD completed a new focused factory

1994

  • Holland Sweetener Company quadruples capacity of aspartame plant
  • Acquisition of outstanding equity in Eurogenetics N.V., now Tosoh Europe N.V.
  • Establishment of Philippine Resins Industries, Inc., a joint venture company of
    Tosoh, Mitsubishi Corporation, Bank of the Philippine Islands and Mabuhay
    Vinyl Corporation

1995

  • Tosoh SMD Korea, Ltd. established
  • P.T. Satomo Indovyl Polymer established
  • Acquisition of Cryco Quartz, Inc. and Cryco Twenty-Two, Inc.

1996

  • Tosoh SMD Singapore Pte. Ltd. established
  • Equity participation in Taiyo Vinyl Corporation
  • Completion of Tosoh's second VCM plant
  • Opening of NSG Europe's factory in England

1997

  • Establishment of Tosoh SMD Taiwan, Ltd.
  • Establishment of Tosoh Fine Chemicals, the forerunner to Tosoh Asia Pte. Ltd.

1998

  • Tosoh America relocates to Ohio, USA

2000

2001

  • Acquired remaining 50% stake in F-Tech, now Tosoh F-Tech, Inc.
  • Tosoh Quartz Group opens processing plant in Taiwan
  • Tosoh & Hodogaya Chemical Acquire 100% interest in Nippon Polyurethane Industry Co., Ltd.

2002

  • Tosoh subsidiary acquires PVC business from Kureha Chemical
  • Invests JPY 2.5 billion in new TBA plant and infrastructure

2003

  • Trading company in China established (Tosoh Shanghai Trading)
  • All bioscience companies worldwide are united under the new brand, Tosoh Bioscience
  • Nippon Silica Industrial becomes wholly owned subsidiary

2004

  • Investment in China makes Tosoh the largest VCM player in Asia (JPY47 billion investment in multinational integrated operations)

2006

  • Tosoh Corporation announces that it will raise its stake in Nippon Polyurethane Industry Co. Ltd. (NPU) to 51%, as part of a billion dollar investment to strengthen Tosoh's vinyl-isocyanate infrastructure and establish a more competitive presence in the rapidly expanding polyurethane industry of Asia and especially China

2007

2008

  • Tosoh Group crosses the USD 8 billion mark with sales of JPY 827 billion for Fiscal 2007

2010

  • Tosoh celebrates its 75th year in business with the opening of five new plants and continued rapid expansion in China
  • Tosoh Bioscience Shanghai Co., Ltd. established

2011

  • Environment oriented Engineering Group established
  • Tosoh SMD Shanghai Co., Ltd., established

2012

  • Tosoh SGM USA, Inc., merged with Tosoh USA, Inc.
  • Acquired 100% ownership of Nippon Polyurethane Industry Co., Ltd.

2014

  • Tosoh Bioscience Latin America SpA, established
  • Nippon Polyurethane Industry Co., Ltd., merged with Tosoh Corporation
  • Tosoh Europe International N.V., established in Belgium

2015

  • Tosoh Advanced Materials Sdn. Bhd., established in Terengganu, Malaysia 
  • Acquired in-vitro diagnostics company Lilac Medicare Pvt. Ltd., now Tosoh India Pvt. Ltd., in Mumbai, India
  • Raised ownership of Mabuhay Vinyl Corporation to 87.97%
  • Branch office of Tosoh Europe International N.V., established in Dubai, UAE

2017

  • Tosoh F-Tech, Inc., Tosoh Organic Chemical Co., Ltd., and Tosoh Finechem Corporation merge, with Tosoh Finechem Corporation as the surviving entity 

2018

  • Tosoh China Holdings Co., Ltd., established in Shanghai, China 

2019

  • Tosoh Quartz Korea Co., Ltd., established in South Korea 

2020

  • Tosoh Namhae Silica Corporation established in South Korea