Hitachi Koki Co., Ltd. engages in the manufacture and sale of power tools, outdoor power equipment, and life-science instruments. It operates through the Power Tools and Life-Science segments. The Power Tools segment provides metalworking power tools, woodworking power tools, construction power tools, pneumatic tools, household power tools, and accessories. The Life-Science segment provides ultracentrifuge, high-speed refrigerated centrifuge, micro centrifuge, and large-scale continuous flow ultracentrifuge. The company was founded on December 18, 1948 and is headquartered in Tokyo, Japan.