Medical & Biological Laboratories Co., Ltd. engages in the research, development, manufacture and sale of biological products. It operates through the Reagents and Investment segments. The Reagent segment supplies, manufactures, and sells clinical reagents and research reagents, and its related equipment and instruments. The Investment segment deals with investments on bio-related enterprises and mediates technical partnership. The company was founded on August 23, 1969 and is headquartered in Nagoya, Japan.