The Nagasaki Port Motofune District Warehouse B is a significant industrial structure completed in 1994, representing modern port infrastructure design. Located at Motofunacho in Nagasaki City, this facility was developed through collaboration between Mitsubishi Estate and the Kitagawara Atsushi Architecture and Urban Research Institute. Designed to serve as a factory, workshop, and storage facility, the building exemplifies functional industrial architecture suited to maritime commerce. Its construction reflects the evolution of Nagasaki's harbor facilities during the 1990s, combining practical utility with contemporary architectural principles to support the region's continued economic activities.