Facilities

Otsuka Pharmaceutical Co., Ltd. (OPC) has headquarters facilities in Tokyo, Osaka, and Tokushima. It conducts product development and production at research institutes in five locations and factories in seven locations up and down Japan.

In addition, OPC’s pharmaceuticals division and Nutraceuticals Products division each have branch offices distributed around the country in a finely-tuned sales and service structure.

The addresses and phone numbers and other information for each facility are available via the following links.