Tsumura & Co. engages in the manufacture and sale of pharmaceutical products. It manufactures and sells Kampo medicine, a traditional form of medicine in Japan. It is also involved in the procurement, production, processing, and storage of botanical raw materials; production and sale of Kampo extract intermediates; and provision of logistics, storage, distribution, and materials handling services. Its products include Chujoto, L'amour, Tsumura-Kampo Kakkonto, Tsumura-Kampo Otsujito, and Tsumura-Kampo Orengedokuto. The company was founded by Jusha Tsumura on April 10, 1893 and is headquartered in Tokyo, Japan.