In 1944, Dengen Kogyo Co., Ltd. was created by Dengensha to meet the high demand for selenium rectifiers for use by the military during the war in the Pacific.

After the war, the company continued to produce rectifiers for both the private and public sectors, but also added direct current power supplies to its production line.

[5] In 1949, Shindengen Electric Manufacturing Co., Ltd. was established[6] as a successor to Dengen Kogyo, whose 465 employees were transferred to the new company, along with 5 million yen start-up capital.

In 1960, Shindengen completed work on its thyristor prototypes and sales of its 16A/400V line started the following year and in 1964, the office in Nagoya was opened in April.

Your power.” logo as a means to capture the ideals of its management philosophy, corporate mission, and action agenda, to include its new, “Listen closely, look ahead, and create a future of value" pledge.