1920-1940
| Year | Month | Event |
|---|---|---|
| 1920 | Dec. | “Kitano Shokai” is founded and starts manufacturing and distribution of automobile light bulbs. |
| 1933 | May | Reorganized into a joint-stock company with capital of 500,000 yen and changed name to Stanley Electric Co., Ltd. |
| 1934 | Dec. | Opened Osaka office (current Osaka branch) in Osaka City, Osaka. |
| 1940 | Apr. | Started manufacturing of selenium rectifier. |
| 1943 | May | Name changed to “Kitano Denki Kogyo Co., Ltd.” in response to the prevailing situation. |
| 1949 | Oct. | Restored name to Stanley Electric Co., Ltd. |

Meguro Factory exterior at the time of reorganization into a corporation

Osaka branch office at the time of establishment
1950-1960
| Year | Month | Event |
|---|---|---|
| 1952 | Jan. | Started manufacturing of shield beam and automotive lighting devices. |
| 1958 | Nov. | Opened Nagoya Office (current Nagoya Branch) in Nagoya City, Aichi Prefecture. |
| 1960 | Mar. | Opened Hamamatsu Factory in Hamamatsu City, Shizuoka Prefecture, to manufacture automotive electrical components. |
| 1960 | Dec. | Opened Hatano Factory in Hadano City, Kanagawa Prefecture, to manufacture automotive electrical components. |
| 1961 | Oct. | Stock: Lists its shares on the Second Section of Tokyo Stock Exchange. |
| 1962 | Feb. | Stock: Designated to the First Section of Tokyo Stock Exchange. |
| 1965 | Apr. | Started manufacturing of silicon devices. |
| 1967 | Oct. | Established Stanley Iwaki Works Co., Ltd. (currently a consolidated subsidiary). |
| 1968 | Apr. | Started manufacturing of subminiature lamp. |
| 1969 | Dec. | Established Research & Development Laboratory in Yokohama City, Kanagawa Prefecture. |

Various types of deformed shield beams, such as square and horseshoe

Hamamatsu Factory exterior built at the "motorcycle mecca"

Complete view of the finished Hatano Factory (December 1960)
1970-1980
| Year | Month | Event |
|---|---|---|
| 1970 | May | Established Stanley Miyagi Works Co., Ltd. |
| 1970 | Aug | Established Stanley Tsuruoka Works Co., Ltd. |
| 1970 | Oct | Stock: Designated to the First Section of Osaka Stock Exchange |
| 1970 | Oct | Established Stanley Ina Works Co., Ltd. |
| 1973 | Aug | Opened Hiroshima Factory |
| 1975 | Feb | Opened Kumamoto Factory |
| 1976 | July | Began manufacturing high-brightness light-emitting diodes |
| 1977 | Sep | Issued European Depository Receipts |
| 1978 | Sep | Issued Deutsche Mark-denominated bonds |
| 1979 | Oct | Established Stanley Electric U.S. Co., Inc. |
| 1980 | Apr | Started manufacturing of color LCD |
| 1980 | May | Established Thai Stanley Electric Public Co., Ltd. |
| 1981 | Sep | Opened Okazaki Factory |
| 1984 | Oct | Established STANLEY-IDESS S.A. |
| 1986 | Aug | Established Utsunomiya Technical Center |
| 1986 | Nov | Established I I Stanley Co., Inc. |
| 1987 | Oct | Issued U.S. dollar denominated bonds |
| 1987 | Dec | Established Asian Stanley International Co., Ltd. |

Stanley Miyagi Works Co., Ltd. immediately after completion of the first phase of construction (1970)

Initial opening of Stanley Tsuruoka Works Co., Ltd. (1971)

All Glass Sealed Beam "Hi-Lux"

Isehara Factory immediately after completion of new factory (1980)

President Takaoki Kitano (left) at the signing ceremony for the joint venture agreement with Renault. On the right is Director-General Anon
1990-2000
| Year | Month | Event |
|---|---|---|
| 1991 | Aug. | Opened Yokohama Technical Center (currently Yokohama Satellite Center) |
| 1992 | Mar. | Issued Euro-yen denominated straight bonds and listed on the London Stock Exchange |
| 1993 | Apr. | Established Hong Kong Stanley Lightning Electric Co., Ltd. |
| 1993 | July | Acquired shares of Matsuo Electric Co., Ltd. |
| 1994 | Apr. | Opened Yamagata Factory in Tsuruoka City |
| 1995 | July | Established Tianjin Stanley Electric Co., Ltd. |
| 1998 | Apr. | Established Stanley Electric Sales of America, Inc. |
| 1998 | Oct. | Established STANLEY WELL Corp. |
| 2000 | Mar. | Established Stanley Electric Holding of America, Inc. |
| 2001 | Aug. | Established Stanley Electric Hungary Kft. |
| 2001 | Sep. | Established PT. Indonesia Stanley Electric |
| 2002 | Sep. | Established Guangzhou Stanley Electric Co., Ltd. |
| 2003 | Sep. | Established Stanley Electric Holding Asia-Pacific Pte. Ltd. |
| 2003 | Sep. | Stock: Delists its shares from Osaka Securities Exchange |
| 2004 | Apr. | Closed the Kumamoto Factory and integrated with the Hamamatsu Factory |
| 2005 | May | Established Stanley Electric Korea Co., Ltd. |
| 2006 | July | Established Stanley Electric Holding Europe Co., Ltd. |
| 2007 | Aug. | Established Opto Technical Center |
| 2009 | Oct. | Established Stanley Electric do Brasil Ltda. |

Building in Kowloon District where SHK has offices (circa 1990)

The LED chip-dedicated Yamagata Factory (1993)

Tianjin Stanley Electric Limited Company (1995)

Commemorative photo after signing ceremony of the VNS joint contract (1996)

Suzhou Stanley Electric Limited Company (2001)

Concluded cooperation agreement with HELLA company in Germany (2001)
2010-present
| Year | Month | Event |
|---|---|---|
| 2011 | May | Established Stanley Electric (China) Investment Co., Ltd. in China as a holding company. |
| 2011 | Oct | Established Wuhan Stanley Electric Co., Ltd. as a production base in China. |
| 2011 | Dec | Established Stanley Electric Sales of India Pvt. Ltd. as a sales base in India. |
| 2013 | July | Established Shenzhen Stanley Electric Co., Ltd. as a sales base in China. |
| 2015 | Apr | Established Stanley Electric Manufacturing Mexico S.A. de C.V. as a manufacturing and sales base in Mexico. |
| 2015 | Sep | Established Tianjin Stanley Electric Technology Co., Ltd. as a design and development base in China. |
| 2019 | Apr | Opened Minato Mirai Technical Center in Yokohama City, Kanagawa Prefecture. |
| 2020 | Mar | Acquired HexaTech, Inc. in America as a development and production base. |
| 2020 | Dec | Opened Hatano Technical Center in Hadano City, Kanagawa Prefecture. |
| 2021 | Jan | Launched ultraviolet ray product brand “AℓNUV”. |
| 2021 | Jan | Concluded business alliance agreement with Mitsubishi Electric for vehicle ramp system. |
| 2022 | Apr | Moved from the First Section to the Prime Market of the Tokyo Stock Exchange. |
| 2022 | Sep | Concluded business alliance agreement with Honda Motor Co., Ltd. |
| 2023 | Dec | Established THPI Co., Ltd. in Thailand as a holding company to acquire shares of Thai Stanley Electric Public Co. |

New head office building completed in Nakameguro (2012)

No.100 RAYBRIG NSX-GT SUPER GT 2018 Series Champion (2018)

