Kohzoh Imai (今井浩三, Kohzoh Imai; born January 1, 1948) is a Japanese physician and oncologist specializing in molecular diagnosis and novel medical treatment of cancer. He is well known for the discovery of a melanoma-related antigen (later, it is called, Chondroitin Sulfate Proteoglycan-4 (CSPG4)) by producing a monoclonal antibody. In addition,...