Immuno-Biological Laboratories Co., Ltd. engages in the research, development, manufacturing, and supply of various immunological research reagents and diagnostic products worldwide. Its main products include ELISA assay kits for quantitative measurement of targeted substances; customized antibody production services; research support for diseases such as Alzheimer's, metabolic syndrome, and cancer; LipoSEARCH, a service for lipoprotein profiling using gel-filtration high-performance liquid chromatography; LipoTEST, a diagnostic support tool for animal clinics; and customized biomarker testing for lifestyle-related diseases. Additionally, the company operates a protein production business utilizing transgenic silkworms for manufacturing antibodies, diagnostic reagents, human collagen for cosmetic materials, and proteins for drug development. Founded in 1982, the company is headquartered in Fujioka, Japan. Recent major developments include receiving patent approval from the United States Patent and Trademark Office for an Anti-HIV Antibody and its manufacturing method in collaboration with Kumamoto University and others; gaining insurance coverage approval in Japan for its in vitro diagnostic pharmaceutical product Entamoeba Histolytica Antibody ELISA-IBL, scheduled for market release in November 2025; and completing the acquisition of a 58.3% stake in Skylight Biotech Inc. These steps reflect the company's strategic expansion into new diagnostic product markets and enhanced biotechnology capabilities. Immuno-Biological Laboratories serves primarily the life sciences, diagnostics, and research markets, operating globally with a focus on Japan and expanding its international footprint.