Acquisition of Noble Skill Limited (Hong Kong).
Acquisition of Otsuka South China Precision Instruments (Shenzhen) Co., Ltd.
Otsuka Turftech Co., Ltd. became a subsidiary of Otsuka Chemical Co., Ltd.
Otsuka Chemical America Inc. established.
TERPLUS production facility completed at Tokushima Factory.
Acquisition of Higashiyama Film Co., Ltd., Higashiyama (Shanghai) Function Film Co., Ltd., and Higashiyama Film Korea Co., Ltd.
2010
AgriTechno Business became independent and established a new company (company name: Otsuka AgriTechno Co., Ltd.) by way of management buyout (MBO).
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.
2008
Acquisition of Ito life Science Co.,Ltd (present ILS Inc.), ILS (Shanghai) Inc. (China) and American Peptide Company Inc. (USA).
2007
Otsuka Chemical do Brazil was established.
[Danisaraba] sales.
2006
Otsuka Chemical India Ltd. (India), Chongoling Otsuka Huayi Chemical Co., Ltd. (China) were established.
Capital participation of Trocellen Iberica S.A. (Spain).
2005
Acquisition of Trocellen GmbH (Germany) with Furukawa Electric Co.,Ltd.
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.
2003
"Hachihachi" "Oncol Tablet" "Soukanbo" sales.
AgriBest Co., Ltd. was established.
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.
2000
Matsushige Factory opening.
Friction material [Terracess] sales.
Japan Whisker Co., Ltd., P.T. Lautan Otsuka Chemical (Indonesia) was established, acquisition of Hebron S.A.
1988
Otsuka Chemical Korea (present KOC Co., Ltd) was established.
1984
It combined with Otsuka Furniture, capital was made ¥2,800,000,000.
Furnituredivision was established.
1980
The insecticide [Unitect] sales.
1979
Disinfect agent for agriculture materials [Ichiban], the insecticide [Rubitox], slug prevention agent [Namekit] sales.
1978
The potassium titanate whisker [TISMO] sales.
1977
Food Additive [Maltol] sales.
1976
The herbicide [Palazet] sales.
1969
Capital was made ¥2,400,000,000.
1968
"Bon Curry" production and sales started. * at the present time Otsuka Foods sells Bon Curry
1965
"Oronamin-C" sales started. * at the present time Otsuka Pharmaceutical sells Oronamin-C
1964
The foliar spray fertilizer [sampi] sales.
1963
The fertilizer sales.
1956
[Uniform AZ] foaming agent sales.
1953
Armpit bud repression medicine sales.
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.