Wintest Corp. (TSE: 6721) manufactures and sells semiconductor testing equipment and related products. The company offers probe cards, including full-array, multi-DUT, micro-bump, and high-pin-count types; high-performance testers for image sensors, CMOS image sensors, and high-bandwidth memory (HBM); and test sockets and interface solutions for semiconductor devices. It also provides engineering services for semiconductor testing and maintenance support for its equipment. Wintest operates primarily in Japan, with sales and service networks extending to Asia, Europe, and North America; the company was founded in 1998 and is headquartered in Hachioji, Tokyo.
In the semiconductor testing industry, Wintest serves major chipmakers and foundries as a key supplier of advanced probing and testing solutions for memory, logic, and image sensor devices. Its products support high-volume manufacturing and next-generation technologies such as AI accelerators and automotive semiconductors. The company focuses on precision engineering to address miniaturization and speed challenges in semiconductor production.