History
1917 February
Founded Tokai Electric Wire Works to start manufacturing and sales of bare wires and shielded wires
Yokkaichi Station in the Meiji era The company at the time of its foundation
1917 December
Reorganized the works and founded Tokai Electric Wire Co., Ltd.
Charter of foundation Registration of company mark
1931 October
Entered into technology and capital alliance with Sumitomo Electric Wire & Cable Works (now Sumitomo Electric Industries, Ltd.)
Sumitomo Electric Wire & Cable Works
1957 September
Started production of wiring harnesses for buses made by Kawasaki Kokuki Kogyo K.K.
1959 February
Started production of wiring harnesses for two-wheeled vehicles
Soldering
1959 May
Completed the special works for wiring harnesses and started operations
Assembly Taping harnesses
1960
Started production of wiring harnesses for three-wheeled vehicles
1961
Started production of wiring harnesses for four-wheeled vehicles and equipment
Assembling wiring harnesses for four-wheeled vehicles
1965 July
Opened Sayama Works that operated as a service station for automakers in the Kanto region
Sayama Works
1967 February
Merged with Izumi Electric Wire Co., Ltd. and opened the Sakai Plant
Company logos of Izumi Electric Wire / Tokai Electric Wire
Opened Suzuka Plant, Tokyo Branch and Osaka Branch
1968 March
Completed communication cable works in Suzuka Plant
1970 March
Opened the Osaka Plant and relocated the Sakai Plant
Building Osaka Plant
1973 September
Opened the Nagoya Branch
1975
Completed and introduced Tokai-style kanban methods
1977 May
Completed the works for high-voltage noise-prevention wires for automobiles at the Suzuka Plant
1978 August
Established a corporation in Brazil, the first overseas corporation
1978 October
Completed Research Hall 1 at the Suzuka Plant
The first research hall
1979 August
Completed the wiring-harness component works at the Suzuka Plant
Completed extension to component works
1984 March
Completed the headquarters office
Headquarters building
1985 April
Changed the trade name to Sumitomo Wiring Systems, Ltd.
Company flag
President Komatsu announcing the company name change
1986 November
Listed on the Second Section of the Nagoya Stock Exchange
President Shimizu greeting at the Nagoya Stock Exchange
1990 July
Acquired 100% ownership of LUCAS SEI WIRING SYSTEMS LTD. and changed the name to Sumitomo Electric Wiring Systems (Europe) LTD. (SEWS-E)
1991
Started production of electronic units
1995
Established Harness System Technologies Research, Ltd. jointly with Sumitomo Electric Industries, Ltd. (now AutoNetworks Technologies, Ltd.)
1997 October
The Suzuka Plant obtained the first ISO 14001 Certification in the group
1998
Completed the radio frequency anechoic chamber at the Suzuka Plant
Radio frequency anechoic chamber
1999 June
Completed the Suzuka Technical Center at the Suzuka Plant
Suzuka Technical Center
2001
Opened the Business Development Office for Electronic Modules to expand the electronic module business
2001 March
Established SEWS-CABIND S.p.A. in Italy. Acquired the wiring harness business from Cabind Automotive S.p.A. to begin full-scale operations in Italy
2002
Started structural reforms to rebuild the domestic production system and focus on the car business
2002 July
Acquired the wiring harness business from Calsonic Kansei and purchased stocks in Kyohritsu Hiparts
2004 July
Withdrew from the power line business which had continued since the foundation of the company
2004 November
Purchased stocks in Kyungshin Industrial in Korea
2005
Developed under-floor pipe harnesses for hybrid cars.
Under-floor Pipe Harnesses
2005 February
Incorporated a two-headquarters system consisting of the Yokkaichi Headquarters and Tokyo Headquarters
Yokkaichi Headquarters Tokyo Headquarters
2005 June
SWS WAY released.
2006 March
Took over Volkswagen Bordnetze GmbH in Germany and established Sumitomo Electric Bordnetze GmbH (SEBN)
2006 May
Completed the technical center at the Yokkaichi Headquarters
Yokkaichi Technical Center (Building E, north side)
2007 August
Delisted stocks from the Nagoya Stock Exchange through a stock swap with Sumitomo Electric Industries, Ltd.
2008 April
12Vision (08-12 year middle management plans) starts.
2008 July
Established SE Wiring Systems Egypt S.A.E in Egypt.
2008 September
Established SE Bordnetze Tunisia S.A.R.L. in Tunisia.
2009 June
Moved Head Office(Tokyo) to Shibaura.
2010 November
Developed an automotive low-voltage wiring harness using aluminum wires.
Aluminum Wiring Harnesses
2012 April
17Vision (13-17 year middle management plans) starts.
2013 January
Moved Head Office(Tokyo) to Akasaka.
Head Office(Tokyo)
2013 May
Moved Head Office function to front of Yokkaichi Station on the Kintetsu Line.
Head Office(Yokkaichi)
2017 December
The 100th anniversary of our founding
2018 April
22VISION(18-22 year Mid-term Management Plan)starts.
2020 October
SWS WAY revised.
2023 April
30VISION(Mid-term Management Plan 2025)starts.