| November, 1941 |
| Initially known as Hiramatsu Rubber Company, located in Osaka, Japan (supplying rubber and plastic products). |
| November, 1946 |
| Hiramatsu Rubber Company undergo some re-organization and re-location. It is then known as Chuoh Co. Ltd. Japan, located in Kyoto. |
| April, 2002 |
| Acquired ISO14001 certification. |
| December, 2004 |
| Acquired ISO9001 certification. |
| December, 2006 |
| Chuoh Co. Ltd. Japan established Chuoh of America, Inc. in Ohio that supplies industrial rubber and plastic products. |