Major Affiliated Companies

Taiho Pharmaceutical's Major Subsidiaries

Japan

OKAYAMA TAIHO PHARMACEUTICAL CO., LTD.

Established August 2, 1992
Business

Research and development, manufacturing and sales of pharmaceuticals, quasi-drugs, medical devices, miscellaneous goods, etc.

Head office

1775-1 Kugui, Bizen-shi, Okayama, Japan 705-8555
Tel:+81-869-64-1111 Fax:+81-869-64-1130

TAIHO INNOVATIONS, LLC

Established May 30, 2019
Business

Venture capital and incubation

Head office

Toranomon Hills Business Tower 15F CIC Tokyo
1-17-1 Toranomon, Minato-ku, Tokyo 105-6415

ARIRGE CO., LTD.

Established June 6, 2024
Business

Provision of information, software, and platform services related to healthcare and medical care

Head office

Toranomon Hills Business Tower 4F, 1-17-1 Toranomon, Minato-ku, Tokyo 105-6404

Asia/ Oceania

TAIHO PHARMACEUTICAL OF BEIJING CO., LTD.

Established July, 2008
Business

Providing information on pharmaceuticals and clinical development work

Head office

Room 2006, 20F, Central Tower, China Overseas Plaza, No.8 Guanghuadongli, Chaoyang District, Beijing, 100020 China
Tel:+86-10-5977-2188

URL

https://www.taihochina.com/

TAIHO PHARMA ASIA PACIFIC PTE. LTD.

Established August 8, 2011
Business

Import/export, sales and marketing of pharmaceuticals

Head office

1 Kim Seng Promenade Great World City,
West Tower, #14-09 Singapore 237994
Tel:+65-6887-5104 Fax:+65-6887-3253

URL

https://www.taiho.com.sg/

TAIHO PHARMA OCEANIA PTY LTD

Established February 22, 2024
Business

Sales, regulatory affairs, and medical affairs in the Oceania region

Head office

LEVEL 24, THREE INTERNATIONAL TOWERS, 300 BARANGAROO AVENUE, SYDNEY, NSW 2000, AUSTRALIA

URL

https://taihopharmaoceania.com.au/

North America

TAIHO ONCOLOGY, INC.

Established August 8, 2002
Business

Clinical development and commercialization of anticancer drugs

Head office

101 Carnegie Center, Princeton,
New Jersey 08540 USA
Tel:+1-609-750-5300 Fax:+1-609-750-7450

URL

https://www.taihooncology.com/us/

TAIHO VENTURES, LLC

Established April 15, 2016
Business Venture capital
Head office

2420 Sand Hill Rd, Suite 203, Menlo Park, CA 94025, USA
Tel: +1-650-656-9640
Fax: +1-650-926-9495

URL

https://www.taihoventures.com/

TAIHO PHARMA CANADA, INC.

Established December 13, 2016
Business

Preparation for anticancer drug sales

Head office

2010 Winston Park Drive, Suite 503, Oakville, Ontario L6H 5R7, Canada
Tel:+1-905-901-0289
Fax:+1-905-829-0337

URL

https://www.taihopharma.ca/en/

Europe

TAIHO ONCOLOGY EUROPE GMBH

Established January 8th, 2021
Business

Clinical Development and Commercialization of Pharmaceuticals

Head office

Neuhofstrasse 12, 6340 Baar, Switzerland

URL

https://www.taihooncology.eu/

Araris Biotech AG

Established 2019
Business

Research and Development of Pharmaceuticals

Head office

Riedhofstrasse 11, 8804 Au ZH, Switzerland

URL

https://www.ararisbiotech.com/

Otsuka Holdings Co., Ltd. and Its Main Operating Companies

Otsuka Holdings Co., Ltd.

Head Office 2-9 Kanda-Tsukasamachi, Chiyoda-ku, Tokyo 101-0048
Tokyo Headquarters Shinagawa Grand Central Tower
2-16-4 Konan, Minato-ku, Tokyo 108-8241
Established July 8, 2008
President and Representative Director, CEO Makoto Inoue
Business Description Holding company
URL https://www.otsuka.com/en/

Main Operating Companies

Company NameURL
TAIHO PHARMACEUTICAL CO., LTD. https://www.taiho.co.jp/en/
Otsuka Pharmaceutical Co., Ltd. https://www.otsuka.co.jp/en/
Otsuka Pharmaceutical Factory, Inc. https://www.otsukakj.jp/en/
Otsuka Warehouse Co., Ltd. https://www.otsukawh.co.jp/english/
Otsuka Chemical Co., Ltd. https://www.otsukac.co.jp/en/
Otsuka Foods Co., Ltd

https://www.otsukafoods.co.jp/en/

Otsuka Medical Devices Co., Ltd. https://www.omd.otsuka.com/en/