Zenyaku

Zenyaku Kogyo is a prominent Japanese pharmaceutical company that develops and markets a diverse range of ethical and over-the-counter (OTC) healthcare products. The company is most recognized for its strategic partnership with Chugai Pharmaceutical and Roche to commercialize Rituxan (rituximab) in Japan, covering indications in oncology and autoimmune diseases. In the consumer sector, Zenyaku holds a strong market position with its Jikinin cold remedy series and Aruge skin care line for sensitive skin. The company operates a dedicated research institute in Tokyo and a manufacturing plant in Fukushima, emphasizing high-quality production standards. Zenyaku continues to focus on immunology, oncology, and dermatology while expanding its presence in the Japanese healthcare landscape.