SANYO DENKI CO., LTD.
Japanese company whose history traces to Sanyo Shokai Co., Ltd., founded in 1927, and which was renamed SANYO DENKI CO., LTD. in 1942.
Last updated September 11, 2026
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Overview
SANYO DENKI CO., LTD. traces its origins to Sanyo Shokai Co., Ltd., founded in August 1927 by Hideo Yamamoto to import and sell electrical components. In April 1942 the company was renamed SANYO DENKI CO., LTD. Its history page records the establishment of works in Ueda, Nagano, and the creation of overseas companies including SANYO DENKI EUROPE S.A. (France) in 1988 and SANYO DENKI AMERICA, INC. (U.S.A.) in 1995. The company's homepage references three core technologies and six sectors, and lists product-related news items under the SANMOTION and San Ace names.
History
Sanyo Shokai Co., Ltd. was founded in August 1927 by Hideo Yamamoto to import and sell electrical components. In June 1932, Sanyo Shokai Special Electric Works, a production factory of small AC and DC generators and power units for communications equipment, was established in the Nishi-Sugamo (current Higashi-Ikebukuro) area of Tokyo. In December 1936 the company was reorganized into a joint stock company (Sanyo Shokai Co., Ltd.). In April 1942 it was renamed SANYO DENKI CO., LTD. In February 1944, Ueda factories (Ueda Kita Works, former Midorigaoka Works) were established in Ueda, Nagano. In December 1945 the Head Office and Tokyo Works were relocated to the Sugamo (current North Otsuka) area of Tokyo. In September 1962 the company was listed on the Second Section of the Tokyo Stock Exchange. In April 1979 Shioda Works was established in Ueda, Nagano; in March 1980 Tsuiji Works was established in Ueda, Nagano; and in November 1984 Aoki Works was established (current Logistics Center). In December 1988 SANYO DENKI EUROPE S.A. (France) was established. In April 1990 Fujiyama Works was established in Ueda, Nagano. In April 1995 SANYO DENKI AMERICA, INC. (U.S.A.) was established. In July 1997 a Technology Center was established in Ueda, Nagano. In March 1999 SANYO DENKI Techno Service Co., Ltd. was established. In February 2000 SANYO DENKI PHILIPPINES, INC. (Philippines) was established. In April 2003 SANYO DENKI SHANGHAI CO., LTD. (China) was established. In June 2005 SANYO DENKI (H.K.) CO., LIMITED (China) and SANYO DENKI Techno Service (Shenzhen) CO., LTD. (China) were established. In August 2005 SANYO DENKI SINGAPORE PTE. LTD. (Singapore) was established. In October 2005 SANYO DENKI GERMANY GmbH (Germany) was established. In November 2005 SANYO DENKI KOREA CO., LTD. (Korea) was established. In December 2005 SANYO DENKI TAIWAN CO., LTD. (Taiwan) was established. In January 2008 SANYO DENKI (Shenzhen) CO., LTD. (China) was established.
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