History

PRINT

Learn about the history of the Otsuka group and its business development, viewed by year and by group company.

History of the Otsuka Group

Timeline

1921 -

1921 Busaburo Otsuka founds Otsuka Seiyaku Kogyobu.
1940 Otsuka Seiyaku Kogyobu is renamed Otsuka Pharmaceutical Factory.
1950 Organic Chemicals Division is split off from Otsuka Pharmaceutical Factory to form Otsuka Chemical and Medical Products, Inc. (now Otsuka Chemical Co., Ltd.)

1961 -

1961 Transport and Warehousing Division is split off from Otsuka Pharmaceutical Factory to form Otsuka Warehouse Co., Ltd.
1963 Taiho Pharmaceutical Co., Ltd. is established.
1964 Sales Division (excluding Shikoku region) is split off from Otsuka Pharmaceutical Factory to form Otsuka Pharmaceutical Co., Ltd.
1969 Otsuka Pharmaceutical Factory is incorporated as Otsuka Pharmaceutical Factory, Inc.
1973 Thai Otsuka Pharmaceutical Co., Ltd. is established. Office is established in Pala Alto, U.S.
1974 Offices are established in Spain and Italy.
1981 China Otsuka Pharmaceutical Co., Ltd. is established.
1984 Otsuka Chemical and Medical Products, Inc. is renamed Otsuka Chemical Co., Ltd.
1998 The Otsuka Museum of Art is opened.

2001 -

July 8, 2008 Otsuka Holdings Co., Ltd. is established.
July 8, 2008 Otsuka Pharmaceutical Co., Ltd. becomes a fully owned subsidiary of Otsuka Holdings Co., Ltd.
October 1, 2008 Otsuka Warehouse Co., Ltd. becomes a fully owned subsidiary of Otsuka Holdings Co., Ltd.
October 31, 2008 Otsuka Pharmaceutical Factory, Inc. becomes a fully owned subsidiary of Otsuka Holdings Co., Ltd.
January 1, 2009 Taiho Pharmaceutical Co., Ltd. becomes a fully owned subsidiary of Otsuka Holdings Co., Ltd.
July 1, 2009 Otsuka Chemical Co., Ltd. becomes a fully owned subsidiary of Otsuka Holdings Co., Ltd.
December 15, 2010 Otsuka Holdings Co., Ltd. is listed on the First Section of the Tokyo Stock Exchange.
April 1, 2011 Otsuka Medical Device Co., Ltd. becomes a fully owned subsidiary of Otsuka Holdings Co., Ltd.

History of each company

For more details about the history of each company, please refer to individual company websites.

TOP