Kohjin Bio Co., Ltd. manufactures and sells animal blood, sera, tissue culture media, media for microbiology testing, in vitro diagnostic agents, and cosmetics. Its tissue culture media support human cell cultures such as lymphocytes, hepatoblastoma-derived cell lines, adipose-derived stem cells, neural stem cells, fibroblasts, vascular endothelial cells, and epidermal keratinocytes, as well as industrial cell cultures for CHO, hybridomas, and insect cells. The company also offers exosome production products, cryopreservation solutions, cell dissociation agents, adoptCell-NK kits, and related bag and other materials, along with microbial media, antimicrobial resistance test kits, staining kits, immunochromatographic assay kits, and the I-block series. It additionally produces and sells laboratory animals, sells medical equipment, provides animal immunization and antibody preparation services, and imports and exports products and raw materials. Formerly known as Kohjin Co., Ltd., it changed its name to Kohjin Bio Co., Ltd. in 1989, was incorporated in 1981, and is headquartered in Sakado, Japan.