Advantest Corporation is a leading global manufacturer of semiconductor test equipment, producing automatic test equipment used to test memory chips, system-on-chip devices, and power semiconductors during the manufacturing process. The company holds a significant share of the global memory test equipment market and has been expanding into logic and system-level testing.

For international investors, Advantest is the world's leading manufacturer of semiconductor test equipment, with dominant market positions in memory and system-on-chip testing used in the production of virtually every advanced semiconductor device. The company's test handlers and testers are used by chipmakers globally, with demand closely correlated with semiconductor capital investment cycles and the growing complexity of chips for AI, mobile, and automotive applications. Advantest's technology leadership in a market with high barriers to entry makes it one of the most strategically important Japanese technology investments.