Domestic Group Companies

* Investment ratio: 100% for all subsidiaries

Chugai Research Institute for Medical Science, Inc.

216 Totsukacho, Totsuka-ku, Yokohama City, Kanagawa Pref. 244-8602 Japan (within Chugai Life Science Park Yokohama) Google Maps
81-(0)45-392-9152

Activities:
Research and development of pharmaceutical products

Chugai Clinical Research Center Co., Ltd.

Nihonbashi-Honcho-2-Chome Bldg. (Reception 3F), 2-5 Nihonbashi-Honcho 2-Chome, Chuo-ku, Tokyo 103-0023 Google Maps
81-(0)3-3273-1173 81-(0)3-3281-6638

Activities:
Clinical development of pharmaceutical products

Chugai Pharma Manufacturing Co., Ltd.

5-5-1 Ukima, Kita-ku, Tokyo 115-8543 (within the Ukima Representative Office) Google Maps
81-(0)3-3968-6200 81-(0)3-3968-6213

Activities:
Contracted manufacturing of pharmaceutical products

Chugai Business Solution Co., Ltd.

5-5-1 Ukima, Kita-ku, Tokyo 115-8543 (within the Ukima Representative Office) Google Maps
81-(0)3-3968-8760 81-(0)3-3968-2981

Activities:
Contracted clerical work