|1936||November 11 Toyo Radiator Co., Ltd., predecessor of today's T.RAD Co., Ltd. established.|
|1940||Nagoya Works operation begins.|
|1960||Hatano Works operation begins. Technical Research Center opens.|
|1969||Listed on the First Section of Tokyo Stock Exchange.|
Youkaichi Works, which later became Shiga Works, operation begins.
|1985||Nagoya Works Higashiura factory operation begins.|
|1988||T.RAD North America Inc. established.|
|1990||TORC Co., LTD. established.|
|1997||TATA Toyo Radiator Ltd. established.|
|1999||T.RAD(Thailand)Co., Ltd. established.|
|2000||T.RAD North America Inc. Aluminum Div. operation begins.|
|2002||T.RAD(Zhongshan) Co., Ltd. established.|
|2004||T.RAD Czech. s.r.o. established.|
|2005||April 1 Toyo Radiator Co., Ltd. renamed T.RAD Co., Ltd.|
Quindao Toyo Heat-Exchanger Co., Ltd. established.
|2008||P.T. T.RAD Indonesia established.|
TRM LLC established.
|2012||T.RAD(Changshu)Co., Ltd. established.|
T.RAD(VIETNAM)Co., Ltd. established.