Zenyaku Kogyo Co., Ltd. (全薬工業株式会社) is a Japan-based pharmaceutical company engaged in the research, development, manufacturing, and commercialization of human medicines and healthcare products. Its portfolio spans ethical (prescription) pharmaceuticals and consumer/over‑the‑counter products, with activities that include clinical development, regulatory affairs, and nationwide distribution in Japan.
The company’s therapeutic interests include immunology and oncology, among other areas of unmet medical need, and its offerings encompass both small‑molecule drugs and biologics. Zenyaku Kogyo also collaborates with domestic and global partners through licensing, co-development, and co-promotion agreements to introduce innovative therapies to the Japanese market.
