Shinden Gen Industries Co., Ltd.

The predecessor of Shin Den Gen traces back to Den Gen Sha, an electric furnace manufacturer founded in 1935. The company began producing selenium rectifiers in addition to electric furnaces.

To respond to military demand expansion during the Pacific War, established Den Gen Kogyo Co., Ltd. in 1944 as a dedicated selenium rectifier manufacturer.

After the war, Den Gen Kogyo resumed manufacturing selenium rectifiers amid factory closures, and later produced rectifier elements and DC power supplies.

In 1949, Shin Den Gen Kogyo Co., Ltd. was established inheriting the rectifier division, with a capital of 5 million yen, starting with 465 employees transferred from Den Gen Kogyo.

Established: August 16, 1949 (Showa 24)

Established

Introduction of alloy-germanium transistors.

Completed alloy-germanium transistors for rectification.

Completed prototype silicon thyristors.

Started sales of 16A/400V silicon thyristors.

Founded in November 1962.

Founded on November 10, 1962, as Sankō Electric Co., Ltd., the predecessor of Shinden Gen Three E Co., Ltd., in Inari-cho, Hannō City.

In April 1967, began production consignment of titanium capacitors and amp cut fuses from Shinden Gen Industries Co., Ltd.

In February 1969, began production consignment of electronic devices and small rectifiers from Shinden Gen Industries Co., Ltd.

In December 1973, dispatched management personnel from Shinden Gen Industries Co., Ltd.

Established Shin Den Gen Thailand (SDT) and began overseas production.

Established Lampoon Shin Den Gen (LSD) near Chiang Mai in northern Thailand.

In July 1991, became a wholly owned subsidiary of Shinden Gen Industries Co., Ltd.

In November 1992, renamed to Shinden Gen Three E Co., Ltd.

In April 1995, merged headquarters and Kawaji Factory and relocated to Sōyanagi, Hannō City.

Due to the impact of a strong yen, overseas export ratio increased, leading to the establishment of LSD and SDP to expand overseas production.

In August 1996, obtained ISO 14001 certification.

In December 1996, obtained NQAS certification.

In March 1999, obtained ISO 9002 certification.

In October 1999, established Minami-machi Factory inside Shinden Gen Industries Hannō Factory.

In July 2001, merged with Wa Electric Co., Ltd., and established Honmachi Business Office.

In August 2002, obtained ISO 9001 2000 edition transition certification and relocated headquarters to Ashigariba, Hannō City.

In January 2004, integrated ISO 9001 2000 edition with Shinden Gen PS Business Headquarters.

In April 2004, merged with Yamagata Shinden Gen Co., Ltd. and Koma Electronics Co., Ltd.

In April 2007, relocated the Maintenance Service Center Honmachi Business Office to Kōrai Factory.

Established an independent department for power modules.

Founded in November 2012, celebrating its 50th anniversary.

In April 2015, the logistics division of Shin Den Gen Logistix Inc. was spun off and inherited.

In December 2016, Shin Den Gen Three E Logistics Center (SBC) was opened.

In December 2018, production at Minami-machi Factory was relocated to the head office Ashigariba Factory.

In March 2021, production at Koryo Factory was relocated to the head office Ashigariba Factory.