| April 1956： | Established in Tsukiji, Chuo-ku, Tokyo to manufacture and sell electronic materials |
| January 1958： | Started manufacturing and selling high-purity fine precious metal powders and metal oxide |
| December 1959： | Started manufacturing and selling precious metal and metal conductive pastes |
| May 1962： | Head office and factory moved to Toyotama-Kita in Nerima-ku, Tokyo |
| April 1967： | Established plant in Suehiro-cho, Ohme-shi, Tokyo. |
| April 1974： | Head office moved to Shinjuku Sumitomo Building in Nishi Shinjuku, Shinjuku-ku, Tokyo |
| November 1983： | Head office moved to Shinjuku Mitsui Building in Nishi Shinjuku, Shinjuku-ku, Tokyo |
| January 1987： | Established plant in Fujinoki-machi, Tosu-shi, Saga |
| October 1993： | Established US affiliate: SHOEI ELECTRONIC MATERIALS. INC. |
| December 1995： | Established Singapore affiliate SHOEI CHEMICAL SINGAPORE PTE. LTD. |
| August 1998： | ISO14001 certification obtained by Tosu Plant |
| March 2003： | ISO9001 certification obtained by Tosu Plant |
| June 2004： | New research building at Ohme Plant completed |
| March 2006： | ISO9001 certification obtained by Ohme Plant |
| May 2007： | Acquired CANADIAN ELECTRONIC POWDERS CORPORATION (Canada). |
| May 2011： | ISO/TS 16949 certification obtained by Tosu Plant |
| May 2012： | Established Canada affiliate SHOEI CANADA CORPORATION |
| April 2013： | SHOEI CANADA CORPORATION merged with CANADIAN ELECTRONIC POWDERS CORPORATION |
| January 2024： | Established plant in Higashi, Itoshima-shi, Fukuoka |
