Advantest Corp (Advantest) designs, manufactures and sells measuring instruments such as component and semiconductor test systems, and mechatronics products including test handlers and device interfaces. The company engages in research and development activities and provides maintenance and support services associated with these products. The company’s product portfolio includes SoC test systems, memory test systems, test handler, device interface, SSD test systems, terahertz systems, electronic measuring instruments, Advantest SiConic, cloud solutions, system level test systems, leading edge products and among others. It also offers consulting services, uptime services, product support and customer services web portals.

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Advantest undertakes research and development (R&D) initiatives to develop products that play a central role in measurement technologies supporting semiconductor manufacturing, electronics, and information and communications. The company's R&D focuses on developing new products and improving existing ones, particularly in the Test System Business Segment, where significant investment is necessary to maintain market competitiveness. Advantest conducts research on basic technologies, including electro-optic devices, optical sources, photonic integrated circuits, and component technologies for test systems. It also develops new test signal generation methodologies, calibration methodologies, micro area metrology, data linkage and analysis methods, and automated silicon validation solutions. Additionally, Advantest is involved in developing AI-assisted test program generation and debugging capabilities, thermal solutions, and test systems for various semiconductor devices. The company emphasizes energy efficiency, material reduction, and downsizing in product design and has established criteria for Green Product certification. The R&D facilities of Advantest are located in Japan, Europe, the US, and China. These facilities are responsible for leveraging the knowledge and expertise of R&D personnel worldwide in product development and other activities. The test system R&D team in Japan collaborates closely with R&D teams in Europe and the US on hardware and software development, strengthening the company's collaborative development framework across its R&D sites. In FY2026, the company spent JPY78,140 million on R&D, which as a percentage of revenue stood at 6.9%.