| 1955 | May | The current Chairman founds the Wakayama Seika Kogyo Co.,Ltd. in Kozaika, Wakayama City as a pigment and dye manufacturer. |
|---|---|---|
| 1969 | December | Becomes associated with the Uzu Kagaku Kogyo Co.,Ltd. (Uzu Kagaku Kogyo Co.,Ltd. later changes its name to Nanyo Kasei Co.,Ltd.) |
| 1973 | September | The Sales Department is separated as the Seika & Company,Ltd., located in Minami Migiwa-cho, Wakayama City. |
| 1977 | August | Founds the Seika & Company,Ltd., Kiyo Warehouse in Fukushima, Wakayama City. (Seika & Company,Ltd. Kiyo Warehouse later separates as the Seishin Kogyo Co.,Ltd.) |
| 1982 | October | Completes the Seika & Company,Ltd., Oomuta Factory in Oomuta, Fukuoka Prefecture. |
| 1985 | December | Founds the PALMER DAVIS SEIKA, INC.(PDS, INC.) in Port Washington, NY, USA as the Bisamine sales distribution base in the United States. |
| 1987 | March | Completes and moves from the Oomuta Factory to the Seika & Company,Ltd. Kainan Factory in Kainan City, Wakayama Prefecture. |
| 1995 | August | Founds the OmniSpecialty Corporation in Teeneck, NJ, USA as the sales base of pigment and dye intermediates in the United States. (Later merges with PDS,Inc.) |
| 1996 | January | At Wakayama Seika Kogyo, Minoru Takeda becomes Chairman and Board Member, and Yoshihisa Takeda becomes President and Board Member. |
| At Seika & Company, Ltd., Minoru Takeda assumes the position of Chairman and Board Member, and Yoshihisa Takeda becomes President and Board Member | ||
| 2005 | January | Seika & Company,Ltd. changes its company name to Seika Corporation. |
| The Wakayama Seika Kogyo Co.,Ltd. Headquarter Factory changes its name to Kozaika Factory. | ||
| May | Wakayama Seika Kogyo Co., Ltd. celebrated the 50th anniversary. | |
| 2006 | April | Mid-term business plan “ZS-2010” is put into operation. |
| Wakayama Seika Kogyo Co., Ltd. selected by the Ministry of Economy, Trade and Industry as one of Japan's 300 Dynamic Monodzukuri (Manufacturing) Small and Medium Enterprises | ||
| Seika participates in the “Green Jobs” project conducted by Wakayama Prefecture, under the title “Seika Forest”. | ||
| 2008 | May | Seika Corporation acquires a new industrial site in Nishihama, Wakayama City, plans to start up in April, 2010. |
| 2009 | April | Research & Development Department moves to Seika Corporation as a new R&D Headquarters, in an effort to strengthen work in these areas. |





