Industrial manufacturerHardware vendorChip makerHolding / corporate group
Sumitomo Electric IndustriesSEI住友電気工業Sumitomo Denki KōgyōSUMIDENSumitomo Copper Rolling Works (1897-1911)Sumitomo Electric Wire & Cable Works (1911-1939)
Japanese manufacturer of electric and optical fiber cables, automotive wiring harnesses (#2 worldwide), compound semiconductors (GaAs, GaN, InP), industrial materials, and synthetic diamonds. Member of the Sumitomo Group.
Founding Sumitomo family (since 1615), which established Sumitomo Copper Rolling Works in 1897
Sumitomo is one of Japan's oldest business families (zaibatsu/keiretsu). The family's history goes back to 1615, when Masatomo Sumitomo founded a publishing and bookselling firm that soon turned into a copper and silver trading business. In 1897 Sumitomo Copper Rolling Works was established — the direct ancestor of today's Sumitomo Electric Industries. The company is part of the Sumitomo Group, one of Japan's largest zaibatsu.
OI
Osamu Inoue
President of Sumitomo Electric Industries
Current President of Sumitomo Electric Industries. Long-time company executive responsible for strategy in the age of automotive electrification (EV wiring harnesses), 5G/6G, and compound semiconductors.
