Wintest Corp. engages in the development, design, manufacture and sale of inspection equipment for image sensors and display driver integrated circuits (IC). It operates through the Semiconductor Inspection Equipment segment. The Semiconductor Inspection Equipment segment covers silicon wafer inspection to package finished product inspection for image sensor ICs and display driver ICs, and array inspection for display-arrays. The company was founded on August 2, 1993 and is headquartered in Yokohama, Japan.