- 1948
- The predecessor company, Sakae Kenkosho, founded in Sobue-cho, Nakashima-gun (now Inazawa City), begins surface treatment business.
-
1940
-
1960
- 1961
- Nagoya Plant is completed, on the site where the head office is now located.
- 1964
- Sakae Riken Kogyo Co., Ltd. is incorporated.
- 1976
- Tsushima Plant 1 is established.
-
1980
- 1985
- Construction of the head office building is completed.
- 1988
- Tsushima Plant 2 opens.
- 1989
- Eakas Corporation is established in Illinois, USA.
- 1990
- Bisei Plant is established.
- 1994
- Tsushima Plant 3 opens.
- 1997
- Technical Assistance Agreement was concluded with Polyplastics Industries (I) PVT. LTD., India.
(It expired in October 2016.)
- 1998
- Oguchi Plant is established.
Technical Center is established.
-
2000
- 2001
- Oguchi Plant installs a painting line for large products.
- 2003
- Sakae Riken (Wuxi) Technology Co., Ltd. is established in Jiangsu, China.
Technical Assistance Agreement is concluded with Sipro Plastic Industries SDN.BHD., Malaysia.
- 2004
- Eakas Arkansas Corporation is established in Arkansas, USA.
Eakas Corporation opens Michigan Office in Michigan, USA.
- 2006
- Inazawa Plant is established.
- 2009
- Kanto Sales Office (now Utsunomiya Sales Office) opens.
-
2010
- 2010
- Kitakyushu Plant is established.
Technical Assistance Agreement is concluded with PT Astra Otoparts Tbk., Indonesia.
- 2011
- Sakae Riken (Wuxi) Technology Co., Ltd. opens Guangzhou Office.
- 2012
- PT. Sakae Riken Indonesia is established.
Atsugi Sales Office opens.
- 2013
- Eakas Corporation installs a plating line in Illinois.
Technical Assistance Agreement is concluded with AD Plastik.d.d., Croatia and Russia.
- 2014
- Sakae Riken Polyplastics India Pvt. Ltd. is established.
- 2018
- Inazawa Plant installs the second millimeter wave line.
Isesaki Plant is established in Gunma prefecture.
-
2020
- 2025
- Omi Plant is established.
