Tatsuaki Kitachi

Otsuka Pharmaceutical Co. Ltd. engages in the manufacturing, distributing, exporting, and importing of pharmaceuticals, clinical testing equipment, medical device and equipment, food products, cosmetics, and other related products. Its operations are carried out through the following business divisions: Pharmaceutical Business and Nutraceutical Business. The Pharmaceutical Business division engages in the manufacture and sale of pharmaceutical products for the diagnosis and treatment of diseases. The Nutraceutical Business division provides nutritional products, cosmetics and medicines that support day-to-day health maintenance and improvement. The company was founded on August 10, 1964 and is headquartered in Tokyo, Japan.

Otsuka America, Inc. operates as a holding company for Otsuka America Pharmaceutical. Its primary objective is to bring products to the U.S. market developed by Otsuka America Pharmaceutical's Japanese parent company, Otsuka Pharmaceutical Co., Ltd. Those products center on treating neurological and cardiovascular diseases. The company was founded in 1989 and is headquartered in San Francisco, CA.

Otsuka Chemical Co., Ltd. engages in the production of chemicals and diet supplements. It provides inorganic salts, bromides, hydrazine, foaming agent, polymerization initiator, preparation articles, rust-preventive agent, fire retarding material, intermediates, and electro-organic synthesis products. The company was founded on August 29, 1950 and is headquartered in Tokyo, Japan.

Otsuka Medical Devices Co., Ltd. engages in medical equipment business focusing on therapeutic devices. Its devices include ultrasound-based renal denervation, drug device combinations, and novel solutions for drug-refractory patients and intractable diseases. The company was founded on February 15, 2011 and is headquartered in Tokyo, Japan.

Otsuka Pharmaceutical Factory, Inc. manufactures and distributes pharmaceutical and nutritional products. Its products include medical foods, hine E-gel, processlead, engelead, innerpower, oronine h ointment, urepearl plus lotion 10 and urepearl plus cream. The company was founded on September 1, 1921 and is headquartered in Naruto, Japan.

Taiho Pharmaceutical Co., Ltd. engages in the production of drugs and medical products. It researches, innovates, and develops pharmaceuticals for various diseases. The company was founded on June 1, 1963 and is headquartered in Tokyo, Japan.

Janssen Pharmaceuticals KK develops, manufactures, and markets prescription pharmaceutical products. The company was founded in 1978 and is located in Tokyo, Japan.

Part of Otsuka Holdings Co., Ltd., Otsuka Medical Devices UK Ltd. is a company that functions as an investment holding company. The company is based in Oxford, UK and was founded in 2018.

Taiho Oncology, Inc. develops and markets anti-metabolite cancer drugs. It focuses on cornerstone anti-metabolites as well as on targeted small molecule inhibitors. The firm engages in the research, development, and manufacturing of pharmaceutical products in the fields of oncology, allergy and immunology, and urology. It also offers nutrient tonic and crude drug gastrointestinal remedy products. The company was founded in 2002 and is headquartered in Princeton, NJ.

ReCor Medical, Inc. develops novel therapeutic ultrasound catheter technologies The firm develops a therapeutic non-focused ultrasound system for performing renal denervation in patients with resistant hypertension. The company was founded by Mano Iyer and Jacques Seguin in July 2009 and is headquartered in Palo Alto, CA.

Nature Made Nutritional Products, Inc. engages in the provision of health care prooducts. It offers CholestOff, TripleFlex, Probiotics, and SAM-e. The company is headquartered in Los Angeles, CA.

Pharmavite LLC manufactures and distributes nutritional supplement products. Its products include supplements, vitamins and all-natural snacks. The company was founded in 1971 and is headquartered in Northridge, CA.

Otsuka Pharmaceutical India Pvt Ltd. manufactures and markets intravenous nutrition products. Its products include infusion therapy, parenteral nutrition and plasma volume expanders. The company is headquartered in Ahmedabad, India.