Wintest Corporation designs, develops, and sells automatic test equipment for semiconductor integrated circuits and flat panel displays for image sensor tester, LCD driver tester, and logic tester markets primarily in Japan. It offers LCD/OLED high speed driver test equipment, LCD/PDP/OLED driver IC test systems, standard logic IC test systems, digital output CIS test systems, high-end CCD/CIS test systems, LCD/OLED/LCOS array/CCD/CIS test systems, compact analog mixed signal IC test systems, and analog and mixed signal IC test systems. The company was founded in 1993 and is headquartered in Yokohama, Japan.