Main Operating Companies

Main Operating Companies (Otsuka Pharmaceutical, Otsuka Pharmaceutical Factory, Taiho Pharmaceutical, Otsuka Warehouse, Otsuka Chemical, Otsuka Foods, Otsuka Medical Devices Otsuka Pharmaceutical Otsuka Pharmaceutical Factory Taiho Pharmaceutical Otsuka Warehouse Otsuka Chemical Otsuka Foods Otsuka Medical Devices

Otsuka Pharmaceutical Co., Ltd.

Otsuka Pharmaceutical Co., Ltd. is a total healthcare company that focuses on each individual's potential to enhance their well-being. Our medical-related business provides treatments and diagnostics for both physical and mental health. Our nutraceutical business supports daily health maintenance and improvement. Otsuka's unique products and services are based on scientific evidence, under the guidance of our corporate philosophy: Otsuka-people creating new products for better health worldwide.

Corporate Profile

Company Name Otsuka Pharmaceutical Co., Ltd.
Established August 10, 1964
President and Representative Director Makoto Inoue
Head Office 2-9, Kanda-Tsukasamachi, Chiyoda-ku, Tokyo 101-8535, Japan
Employees 6,070 (as of December 31, 2025)
Capital 20 billion yen
Business Description Research, development, manufacture, sale, export and import of pharmaceuticals, clinical testing equipment, medical device equipment, food products, cosmetics, and other related products
URL https://www.otsuka.co.jp/en/

Major Products

Otsuka Pharmaceutical Factory, Inc.

Otsuka Pharmaceutical Factory was first founded as Otsuka Seiyaku Kogyo-bu (Otsuka Pharmaceutical) in 1921 and is the original company from which the Otsuka group has grown. We are a leading company of IV solutions in Japan which has engaged in the IV business for over 80 years. Based on the management vision “The Best Partner in Clinical Nutrition Worldwide,” we develop various innovative products to meet a wide range of needs, including Ethical Drugs, medical devices, medical foods such as oral rehydration solutions, and OTC drugs. The company also performs contract manufacturing utilizing the technologies we have developed. At present we are expanding our business operations and product development from Japan to the international market with a focus on Asia. We are determined to consistently deliver safe, high-quality products to patients and healthcare professionals.

Corporate Profile

Company Name Otsuka Pharmaceutical Factory, Inc.
Established October 7, 1969 (founded September 1, 1921)
President and Representative Director Shuichi Takagi
Head Office 115 Kuguhara, Tateiwa, Muya-cho, Naruto, Tokushima 772-8601, Japan
Employees 2,432 (as of December 31, 2025)
Capital 15.08 billion yen
Business Description Manufacture, sale, import and export of clinical nutrition products and other pharmaceutical products, medical devices, functional foods, etc.
URL https://www.otsukakj.jp/en/

Major Products

Taiho Pharmaceutical Co.,Ltd.

Established in 1963, Taiho Pharmaceutical is an R&D-driven specialty pharma focusing on the fields of oncology and immune related diseases. Its corporate philosophy is “We strive to improve human health and contribute to a society enriched by smiles.” In the oncology field in particular, Taiho Pharmaceutical is known as one of the leading companies in Japan, actively promoting globalization as well.
In its consumer healthcare business, Taiho Pharmaceutical strives to research and develop novel and unique products by continuing to identify people’s real needs and meeting them precisely.

Corporate Profile

Company Name Taiho Pharmaceutical Co.,Ltd.
Established June 1, 1963
President and Representative Director Masayuki Kobayashi
Head Office 1-27 Kandanishiki-cho, Chiyoda-ku, Tokyo 101-8444, Japan
Employees 2,149 (as of December 31, 2025)
Capital 200 million yen
Business Description Manufacture, sales, import and export of pharmaceuticals, food supplements, sundry goods and medical devices
URL https://www.taiho.co.jp/en/

Major Products

Otsuka Warehouse Co., Ltd.

Founded in 1961, Otsuka Warehouse’s core business has been centered on providing logistic services of pharmaceutical and food products. It has built a common distribution platform for the Otsuka group in the three product areas of pharmaceuticals, food and beverages, and daily necessities. In recent years, the company has grown to offer logistics services outside the group.

Corporate Profile

Company Name Otsuka Warehouse Co., Ltd.
Established November 22, 1961
President and Representative Director Kazuhiko Hamanaga
Head Office CROSS DOCK HARUMI, 4-7-4 Harumi, Chuo-ku, Tokyo 104-0053, Japan
Employees 331 (as of December 31, 2025)
Capital 800 million yen
Business Description Warehousing and transport business
URL https://www.otsukawh.co.jp/english/

Business Overview

Otsuka Chemical Co., Ltd.

Founded in 1950, Otsuka Chemical has continually aimed to be a company that contributes to a better global environment and the enriched lives of people through its chemical business, providing materials and products that meet diverse customer needs. In recent years, we have established KATACHI Business, the transformation of Otsuka Chemical's material expertise into tangible solutions, as a key strategic focus. We aim to grow globally as a company that consistently addresses the diverse challenges faced by customers worldwide.

Corporate Profile

Company Name Otsuka Chemical Co., Ltd.
Established August 29, 1950
President and Representative Director Hiroyoshi Tosa
Head Office 3-2-27 Otedori, Chuo-ku, Osaka 540-0021, Japan
Employees 540 (as of December 31, 2025)
Capital 5 billion yen
Business Description Manufacture and sales of chemical products
URL https://www.otsukac.co.jp/en/

Major Products

Otsuka Foods Co., Ltd.

Founded in 1955, Otsuka Foods manufactures, markets, and imports foods and beverages. Our corporate philosophy is “Food begins with spirit, creating deliciousness, safety, peace of mind and better health.” Based on this, we propose “new foods” that contribute to enriching people’s diets by delivering delicious taste and innovative ideas and technology and reliable quality, including Bon Curry, the world’s first commercial retort-pouch food product.

Corporate Profile

Company Name Otsuka Foods Co., Ltd.
Established May 19, 1955
President and Representative Director Goro Ikeuchi
Head Office 3-2-27, Otedori, Chuo-ku, Osaka-shi, Osaka, 540-0021, Japan
Employees 570 (as of December31, 2025)
Capital 1 billion yen
Business Description Manufacture, sale, and import and sale of food and beverages
URL https://www.otsukafoods.co.jp/

Major Products

Otsuka Medical Devices Co., Ltd.

Since its establishment in February 2011, Otsuka Medical Devices Co., Ltd. has focused on developing unique solutions that improve the health and well-being of patients whose medical needs and conditions cannot yet be fulfilled by existing treatment methods.
By integrating our global R&D efforts with the advanced expertise and technologies accumulated across the Otsuka group through pharmaceutical development, we develop, manufacture, and commercialize innovative medical devices worldwide.
We will do what it takes to offer patients new innovative treatment choices and stand true to the Otsuka corporate philosophy; “Otsuka—people creating new products for better health worldwide.”

Corporate Profile

Company Name Otsuka Medical Devices Co., Ltd.
Established February 15, 2011
President and Representative Director Noriko Tojo, President and Representative Director
Head Office 2-9, Kanda-Tsukasamachi, Chiyoda-ku, Tokyo 101-0048, Japan
Employees 127 (as of December 31, 2025)
Capital 32.55 billion yen
Business Description R&D, manufacture, and sales of medical devices and all related operations, as well as medical device operational management for companies within the Otsuka group
URL https://www.omd.otsuka.com/en/

Major Products

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