Our history

1950: Organic chemistry section was separated from Otsuka Pharmaceutical Factory Inc., and chemicals were established.
Tokushima Factory(present Naruto factory) was established.
Potassium nitrate and Hydrazine sales started.
1953: Armpit bud repression medicine sales.
1956: [Uniform AZ] foaming agent sales.
1963: The fertilizer sales.
1964: The foliar spray fertilizer[sampi] sales.
1965: "Oronamin-C" sales started. * at the present time Otsuka Pharmaceutical sells Oronamin-C
1968: "Bon Curry" production and sales started. * at the present time Otsuka Foods sells Bon Curry
1969: Capital was made \2,400,000,000.
1976: The herbicide [Palazet] sales.
1977: Food Additive [Maltol] sales.
1978: The potassium titanate whisker[TISMO] sales.
1979: Disinfect agent for agriculture materials[Ichiban], the insecticide[Rubitox], slug prevention agent[Namekit] sales.
1980: The insecticide[Unitect] sales.
1984: It combined with Otsuka Furniture, capital was made \2,800,000,000.
Furnituredivision was established.
1988: Otsuka Chemical Korea (present KOC Co., Ltd) was established.
1989: Japan Whisker Co., Ltd., P.T. Lautan Otsuka Chemical (Indonesia) was established, acquisition of Hebron S.A.
1990: Cephalosporin antibiotic intermediate[GCLE] sales.
1991: The β-lactamase inhibitor [YTR] manufacturingfacility completed.
1992: Insecticide[Orate]sales.
1993: Insecticide[Orion] sales.
1995: Insecticide[Sted granule] sales.
1996: Insecticide[Ondaia] sales.
Aldehyde absorbent [Chemcatch] sales.
1997: Coloring agent for the lawn[Green Way],
Dielectric property material[Terawave] sales.
1998: [Uniform AZ Ultra] foaming agent sales.
[MISAKI],[the hydroponic culture system]
1999: Rust-preventive agent[Shadan MG] sales.
2000: Matsushige Factory opening.
Friction material [Terracess] sales.
2002: Company name was changed to Otsuka Chemical Holdings.
Otsuka Chemical took over the chemicals and agricultural Chemicals business and as a result, Otsuka Chemical Co.,Ltd. was established.
Otsuka Food Co., Ltd.was established.
Otsuka Furniture MS Co.,Ltd. established.
2003: "Hachihachi" "Oncol Tablet" "Soukanbo" sales.
AgriBest Co., Ltd. was established.
2004: Otsuka-MGC Chemical Company,Inc. was established as joint venture with Mitsubishi Gas Chemical Co.,Ltd.
Drip Fertigation Research Co. was established.
Zhanjiagang Otsuka Chemical Co.,Ltd (China) was established.
2005: Acquisition of Trocellen GmbH (Germany) with Furukawa Electric Co.,Ltd.
2006: Otsuka Chemical India Ltd. (India), Chongoling Otsuka Huayi Chemical Co., Ltd.(China) were established.
Capital participation of Trocellen Iberica S.A. (Spain).
2007: Otsuka Chemical do Brazil was established.
Acaricide [Danisaraba] sales.
2008: Acquisition of Ito life Science Co.,Ltd (present ILS Inc.), ILS (Shanghai) Inc. (China) and American Peptide Company Inc. (USA).
2009: Merger of subsidiary Otsuka Chemical Co.,Ltd., Changed the company name to“Otsuka Chemical Co.,Ltd.
Became 100% subsidiary of Otsuka Holdings Co.,Ltd.
2010: AgriTechno Business became independent and established a new company(company name: Otsuka AgriTechno Co., Ltd.) by way of management buyout (MBO).