| 1920 |
| Aug. |
1927 |
Sanyo Shokai Co., Ltd. founded by Hideo Yamamoto to import and sell electrical components |
| 1930 |
| Jun. |
1932 |
Sanyo Shokai Special Electric Works, a production factory of small AC and DC generators and power units for communications equipment, established in the Nishi-Sugamo (current Higashi-Ikebukuro) area of Tokyo |
| Dec. |
1936 |
Reorganized into a joint stock company (Sanyo Shokai Co., Ltd.) |
| 1940 |
| Apr. |
1942 |
Renamed SANYO DENKI CO., LTD. |
| Feb. |
1944 |
Ueda factories (Ueda Kita Works, former Midorigaoka Works) established in Ueda, Nagano |
| Dec. |
1945 |
Head Office and Tokyo Works relocated to the Sugamo (current North Otsuka) area of Tokyo |
| 1960 |
| Sep. |
1962 |
Listed on the Second Section of the Tokyo Stock Exchange |
| 1970 |
| Apr. |
1979 |
Shioda Works established in Ueda, Nagano |
| 1980 |
| Mar. |
1980 |
Tsuiji Works established in Ueda, Nagano |
| Nov. |
1984 |
Aoki Works established (current Logistics Center) |
| Dec. |
1988 |
SANYO DENKI EUROPE S.A. (France) established |
| 1990 |
| Apr. |
1990 |
Fujiyama Works established in Ueda, Nagano |
| Apr. |
1995 |
SANYO DENKI AMERICA, INC. (U.S.A.) established |
| Jul. |
1997 |
Technology Center established in Ueda, Nagano |
| Mar. |
1999 |
SANYO DENKI Techno Service Co., Ltd., established |
| 2000 |
| Feb. |
2000 |
SANYO DENKI PHILIPPINES, INC. (Philippines) established |
| Apr. |
2003 |
SANYO DENKI SHANGHAI CO., LTD. (China) established |
| Jun. |
2005 |
SANYO DENKI (H.K.) CO., LIMITED (China) established |
| Jun. |
2005 |
SANYO DENKI Techno Service (Shenzhen) CO., LTD. (China) established |
| Aug. |
2005 |
SANYO DENKI SINGAPORE PTE. LTD. (Singapore) established |
| Oct. |
2005 |
SANYO DENKI GERMANY GmbH (Germany) established |
| Nov. |
2005 |
SANYO DENKI KOREA CO., LTD. (Korea) established |
| Dec. |
2005 |
SANYO DENKI TAIWAN CO., LTD. (Taiwan) established |
| Jan. |
2008 |
SANYO DENKI (Shenzhen) CO., LTD. (China) established |
| Jan. |
2009 |
Kangawa Works established in Ueda, Nagano |
| Jul. |
2009 |
SANYO KOGYO CO., LTD. became a wholly owned subsidiary |
| 2010 |
| Apr. |
2011 |
SANYO DENKI (Zhongshan) CO., LTD. (China) established |
| Jul. |
2011 |
SANYO DENKI (THAILAND) CO., LTD. (Thailand) established |
| Mar. |
2013 |
Listed on the First Section of the Tokyo Stock Exchange |
| Aug. |
2013 |
Head Office relocated to its current location |
| Nov. |
2014 |
SANYO DENKI ENGINEERING (Shanghai) CO., LTD. (China) established |
| Feb. |
2015 |
SANYO DENKI INDIA PRIVATE LIMITED (India) established |
| Mar. |
2019 |
Technology Center established in SANYO DENKI PHILIPPINES, INC（Philippines） |
| Apr. |
2019 |
SANYO DENKI (Tianjin) CO., LTD. (China) established |
| 2020 |
| Apr. |
2021 |
SANYO DENKI IT Solution CO., LTD. established |
| May. |
2021 |
New wing opened at Technology Center in Ueda, Nagano |
