Research Institute of Biological Medicine

Research Institute of Biological Medicine (RIBM) is a Japanese biotechnology company and contract research organization (CRO) specializing in antibody engineering, diagnostic development, and cell-based research services. Founded in 1981 and headquartered in Tsukuba, the company provides a wide range of services including monoclonal antibody production via hybridoma and phage display technologies, protein expression, and pathological analysis. RIBM also engages in internal research focused on identifying novel cancer biomarkers and developing diagnostic kits. The company serves pharmaceutical firms and academic institutions globally, leveraging its expertise in molecular biology and immunology to support drug discovery and clinical diagnostics.