The origin of MHI can be traced all the way back to 1884.The Origin of Today`s Three-Diamond Trademark In that year, Yataro Iwasaki, the founder of Mitsubishi , took a lease of Government-owned Nagasaki Shipyard. He named it Nagasaki Shipyard & Machinery Works, and started the shipbuilding business on a full scale. This shipbuilding business was later turned into Mitsubishi Shipbuilding Co., Ltd., and was again launched as Mitsubishi Heavy- Industries, Ltd. in 1934, estab...