住友グループ
The company traces its origins to 1909, when the Sumitomo Group made an investment in Dunlop Japan, the newly formed Japanese subsidiary of the British company Dunlop Rubber. Over the years Sumitomo and Dunlop developed a close business relationship, and in 1963 the Sumitomo Group acquired control of Dunlop Japan and renamed it Sumitomo Rubber Industries Ltd.