Dengensha Toa Co., Ltd.

Dengensha Toa Co., Ltd. is a Japanese comprehensive joining-machine manufacturer. Its official site describes it as a general manufacturer of joining machines providing products matched to customer needs, with solutions covering multi-material joining for vehicle weight reduction, decarbonization/energy saving, DX via IoT-enabled resistance welding machines, and next-generation joining processes. The company was founded in April 1935 and established in May 1951, with capital of 100 million yen and 370 employees. Its head office and head factory are in Tama-ku, Kawasaki, Kanagawa, with additional factories in Shiga and Toyama and sales offices across Japan. Its main products include spot welding machines, projection welding machines, seam welding machines, flash welding machines, large capacitor welding machines, nut and bolt feeders, servo spot guns, robot guns, portable guns, multi guns, inverter transformers, portable transformers, multi transformers, LC transformers, welding controllers, resistance heating devices, measuring instruments, cables, and monitors.

The company's history page states that in 1935 Dengensha Co., Ltd. was founded with capital of 100,000 yen. In 1940 the Nakano factory was opened. In 1951 the old company was dissolved and Dengensha Seisakusho Co., Ltd. was established with capital increased to 6 million yen. In 1952 a general agency agreement was signed with Marubeni-Iida Co., Ltd. (now Marubeni Corporation). Capital was increased in stages: to 24 million yen in 1958, 30 million yen in 1960, 80 million yen in 1962, and 128 million yen in 1965. In 1961 the head office functions and factory were moved from the Nakano factory to Noborito, Kawasaki. The Aichi factory was opened in 1967, and in 1969 the head factory was moved from Noborito to Ikuta (the current location). In 1985 Dengensha America was established in Ohio, USA. The Toyama factory was opened in 1988, and Dengensha Service Co., Ltd. was established in 1989. In 1992 the company obtained GS mark certification for transformers, described as the first among domestic welding machine manufacturers. Dengensha Europe was established in the UK in 1996, and ISO 9001 certification was obtained in 1998. In 2001 Dengensha Indonesia, a welding equipment production factory, was established outside Jakarta, Indonesia. In 2005 a 70th anniversary exhibition room was opened at the head factory. In 2013 Dengensha Mexico was established in Leon, Mexico. In 2014 Dengensha Thailand was established in Bangkok, Thailand, and Nastoa Welding Technology Co., Ltd. was made a wholly owned subsidiary. In 2015 Dengensha India was established in Chennai, India. In 2017 the company merged with Nastoa Welding Technology Co., Ltd. and changed its name to Dengensha Toa Co., Ltd. In 2018 Dengensha Germany was established in Dietz, Germany.

Comprehensive joining-machine manufacturer offering joining solutions matched to diverse customer needs.

• NDZ series stationary spot welding machines

• Lower-arm adjustable NDZ series

• NDZ-GSZ series

• Servo spot gun C gun

• Servo spot gun X gun

• Portable gun

• NPO series projection welding machines

• Capacitor type

• Three-phase rectifier type NRP series

• Seam welding machines

• Special-purpose welding machines

• Nut feeder

• Bolt feeder

• Standalone type single-phase AC resistance welding controller

• Standalone type DC inverter resistance welding controller

• Standalone type AC inverter resistance welding controller

• Robot-integrated spot welding controller

• PC application

• Multi transformer

• Portable transformer

• Resistance heating devices, measuring instruments, related equipment

• Joining equipment

1. 1電元社トーア｜スポット溶接機や抵抗溶接機の総合メーカーdengenshatoa.co.jp
2. 2会社案内 ｜ 電元社トーアdengenshatoa.co.jp
3. 3製品情報一覧 ｜ 電元社トーアdengenshatoa.co.jp
4. 4SDGsへの取り組み ｜ 電元社トーアdengenshatoa.co.jp
5. 5Dengensha MFG. Co., Ltd. (Japan)wikidata.org