4-5-33, Kitahama, Chuo-ku, Osaka-shi, Osaka-hu, 541-0041, Japan
Business Overview
-Major manufacturer of wire harnesses.
-The Company operates the following five business sectors: automotive, information-communications, electronics, environmental energy, and industrial materials.
-The automotive business deals in the following products: Wire harnesses, Automotive electric parts (the Company and Sumitomo Wiring Systems), Anti-vibration rubber, automotive hose (Sumitomo Riko), Network systems such as traffic-control systems.
Shareholders
-From April 2022, moved to the Prime Market of the Tokyo Stock Exchange and to the Premium Market of the Nagoya Stock Exchange, in addition to be listed on the Fukuoka Stock Exchange.
(As of Mar. 31, 2023)
Name or Company name
Investment ratio (%)
The Master Trust Bank of Japan, Ltd. (Trust Account)
16.62
Custody Bank of Japan, Ltd. (Trust Account)
9.44
Nippon Life Insurance Co.
3.17
BBH/BBH+CO SUMITOMO MITSUI TRUST BANK, LIMITED (LONDON BRANCH) FOR SIMPLEX VALUE CREATION FUND JPY A CLT A/C
2.39
Sumitomo Life Insurance Co.
1.99
The Master Trust Bank of Japan, Ltd. (Trust Account J)
Wiring harnesses and electrical components -Automotive wiring harnesses -Electronics products -Products for EVs, HEVs, and PHEVs -Harness components >>>Click to see images of the Company’s products
Steel cords for tire reinforcement -Steel cords for tire reinforcement -Cable bead -Bead wires
Aluminum materials -Aluminum bars and wires -Electronic lead wires
Sintered ZnS lenses
Products for electronic devices -Tungsten and molybdenum powders, and various powders of carbides and nitrides: for various alloys and target materials -Tungsten and molybdenum crucibles: for pulling monocrystalline sapphire -Tungsten wires/electrodes: for discharge lamps and other lamps -Metallic heat-radiating substrate materials (copper tungsten, copper molybdenum) -Ceramic heat-radiating substrate material (aluminum nitride, AL-SiC) -Diamond heat-radiating materials (monocrystals, CVD, copper diamonds) -Flexible Printed Circuit -Metal Foam (Celmet)/Electroplated Wire -Sumicrystal -Magnesium-Silicon Carbide
Sintered parts -Sumi Altough (high performance aluminum alloy) -Dust cores
Cable with connector for EV DC charger / discharger -Quick Charging Connector (SEVD-02/SEVD-11)
Sumitomo Headquarters acquired Nippon Copper Co., Ltd. and established Sumitomo Copper Rolling Works as a (direct management Company) to produce copper wires.
Mar. 1899
Acquired Osaka Copper Co., Ltd. and established the Sumitomo Copper Rolling Works Nakanoshima factory.
Apr. 1890
Started manufacturing insulated wires.
Oct. 1909
Started test development of telecommunications cables.
Aug. 1911
Separated wire manufacturing from Sumitomo Copper Rolling Works and set up the Sumitomo Electric Wire & Cable Works with capability to produce almost all kinds of electric cables.
Apr. 1916
Started production of enamel wires.
Dec. 1916
Built and moved operations to a new plant at the current Osaka plant site.
Dec. 1920
Separated from Sumitomo Headquarters and reorganized as Sumitomo Electric Wire & Cable Works (with capital of 10 million yen).
Adopted new corporate name, Sumitomo Electric Industries, Ltd. (current name).
Jan. 1943
Started manufacturing anti-vibration rubber and fuel tanks.
Nov. 1948
Started selling sintered products.
May 1949
Listed its stock on the Tokyo, Osaka, and Nagoya stock exchanges.
Jul. 1962
Located the home office to Chuo Ward (current location) in Osaka, from the Konohana Ward.
Jun. 1963
Started manufacturing disk brakes.
Jun. 1986
Established Sumitomo Electric Wiring Systems, Inc in the U.S.
Jan. 1993
Opened its Harima Research Laboratories.
Jul. 1999
Transferred the brake and ABS business to Sumitomo Denko Brake Systems Corp.
Jul. 2000
Acquired Lucas Sumitomo Brakes (LSB), which was a joint-venture with TRW in Ohio, USA, and made it into a wholly-owned subsidiary.
Nov. 2000
Established SEI Brake Systems Thailand, a manufacturer of disc brakes.
Mar. 2001
Established SEWS-CABIND S.p.A. (Cabind) in Italy jointly with Sumitomo Wiring Systems, Inc. and other companies to produce wire harnesses.
Mar. 2006
Acquired German auto wire-harness manufacturer (currently Sumitomo Electric Bordnetze GmbH).
Aug. 2007
Made Sumitomo Electric Wiring Systems, Inc. its wholly owned subsidiary.
Aug. 2009
In reorganizing its optics and electronic business divisions, launched Sumitomo Electric Device Innovations Inc.
2012
Established Sumiden Hyosung Steel Cord (Thailand) Co., Ltd., a joint venture with Hyosung Corporation, which is a major supplier of tire reinforcement material based in Korea; in Rayong Province.
Established "SUMI REMA EV Solutions GmbH", a joint venture with Sumitomo Wiring Systems and REMA, a charging-connector manufacturer based in Germany; to develop and design charging connectors for electric vehicles.
Apr. 2022
Moved from the First Section of the Tokyo Stock Exchange to the Prime Market in line with the TSE’s reorganization.