Timeline of Otsuka’s History

1964 〜 1973

Corporate

Pharmaceutical Business

Nutraceutical Business

1964

1970

1964

・Otsuka Pharmaceutical Co., Ltd.
established

1970

Tokushima Factory began operations

Otsuka Pharmaceutical's first plant

1970

Hi-z launched in Japan

A treatment for hyperlipidemia, menopausal disorders and irritable bowel syndrome

1971

First Drug Discovery Research Institute established
in Tokushima, Japan

Beginning of discovery of own therapeutic drugs

1973

Thai Otsuka Pharmaceutical Co., Ltd. established

Thai Otsuka Pharmaceutical is Otsuka’s first joint venture outside Japan.

・First office in US opened in Palo Alto, California

1965

・ORONAMIN C DRINK launched