2011.7.6
OKS acquired the European patent in four countries for the Baby Kangaroo System.

2010.11
OKS announces the establishment of OKS Guangzhou Co.,ltd in China.

2010.8.20
OKS acquired the patent of the Preload Support incorporated system for ultra-precision grinding technology on thin material work.
（Joint development of Riken and OKS）

2010.4.9
OKS acquired the patent of the Air type Preload support.

2010.1.5
OKS acquired the patent of the Baby Kangaroo System.