Tokyo Electron Ltd (TEL) is a developer, manufacturer, seller of semiconductor manufacturing equipment. The product portfolio includes semiconductor production equipment such as Coater/Developer, Etch, Cleaning, Deposition, Test, 3D Integration, SiC Epitaxial CVD system, Gas Cluster Beam system, and display production equipment. TEL also provides field solution services, including spare parts, services, modifications for installed equipment, and sales of used equipment.

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TCL's R&D arm focuses on developing next-generation devices that meet the demands of AI, 5G, IoT, and autonomous driving by enhancing speed, capacity, reliability, and reducing power consumption. The company is working on equipment and processes for next-generation devices, including coater/developers, etching equipment, deposition equipment, and more. Tokyo Electron Ltd is also promoting technological advancements such as high-precision processes, equipment reliability, productivity improvements, and cost reductions. The company is leveraging digital transformation to enhance equipment performance and development efficiency. Additionally, Tokyo Electron Ltd is focusing on environmentally friendly technologies and energy conservation through initiatives like E-COMPASS. The company is also involved in basic and elemental research, developing advanced technologies for microfabrication, and collaborating with universities and research institutes globally. Tokyo Electron Ltd's R&D units include the TEL Digital Design Square, which enhances the company's digital transformation capabilities, and the Miyagi Technology Innovation Center, which promotes R&D for advanced equipment and production technologies. The TEL Technology Center, America, focuses on advanced research in front-end, back-end, and advanced packaging process areas. These units are responsible for managing the company's R&D activities, fostering collaboration, and driving innovation in semiconductor production technologies. TEL focuses on building a competitive edge in the intellectual property field. In line with this approach, the company as of March 31, 2025, held 23,249 active issued patents. The company has several R&D centers, including those in Japan, Korea, Taiwan, Singapore, the U.S., Belgium, France, and Ireland. In FY2025, the company incurred expenses of JPY250,017 million on its (R&D) activities, which as a percentage of revenue, stood at 10.2%.