Sumitomo Electric

ACTIVE

Sumitomo Electric Industries, Ltd. (住友電気工業株式会社)

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.

Founded1897Japan

HQOsakaJapan

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01 · About

Sumitomo Electric

Founded 1897 · Osaka, Japan

Founders

Sumitomo Family
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.
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.

02 · What they do

Domain of activity

3 areas · 2 technologies · 5 industries

What they do3Areas

AI hardware
AI infrastructure
Edge AI

How they do it2Technologies

AI accelerators
Edge AI

Who for5Industries

Industrial manufacturing
Automotive
Telecommunications
Energy
Transport & mobility

03 · Geography

Global presence

HQ Osaka · 8 offices · 5 regions

Osaka

Chūō-ku (Kitahama) · Japan

Offices · 8

OsakaMain headquarters (Kitahama, Chūō-ku, Osaka) — at the current location since 1962. · Japan
TokyoTokyo Head Office — historic secondary hub since 1946. · Japan
YokohamaYokohama Works (since 1961) — one of the key R&D and production sites. · Japan
ItamiItami Works (since 1941) — key facility for industrial materials, synthetic diamonds, and tools. · Japan
BangkokSIAM Electric Industries — Sumitomo Electric's first overseas production subsidiary (1969). · Thailand
Detroit / Farmington HillsSumitomo Electric Wiring Systems (SEWS) — serving the US automotive market. · USA
SeoulSumitomo Electric Korea — membrane technology for wastewater treatment and other industrial uses. · South Korea
FrankfurtEuropean hub — logistics and business hub for Europe. · Germany

Country

Japan

GlobalAsiaNorth AmericaEuropeChina

04 · Metrics

Scale & funding

founded 1897

1897founded

maturedevelopment stage

Publiclisted

activestatus

07 · Classification

Profile & metadata

4 classification · 6 external links

Classification

Statusactive
Development stagemature
Listed onYes5802
Organization typeIndustrial manufacturer+ Hardware vendor, + Chip maker, + Holding / corporate group

External links