Zenyaku Kogyo

Zenyaku Kogyo is a private Japanese pharmaceutical company headquartered in Tokyo. The company markets dermatological and anticancer drugs in Japan, including RituxanTM, an anti-CD20 antibody used for the treatment of B-cell non-Hodgkin lymphoma. It also has an OTC consumer healthcare business. Zenyaku Kogyo’s ongoing research interests focus on cancer, autoimmune diseases, and antibody therapeutics.