Macronix International Co Ltd: Segment Analysis

Macronix International Co Ltd (Macronix) focuses on the design, manufacture, sales, and foundry services of integrated circuits and memory chips. The company serves industries such as consumer, communication, computing, industrial, automotive, and networking.

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Macronix’s R&D arm focuses on developing advanced technologies and enhancing its manufacturing capability to deliver high-quality products and services to its customers. The company intends to develop third and fourth generations of 3D NAND Flash, an eMMC control chip project for 3D NAND Flash, a 42-nanometer product series plan for NOR Flash, a high-speed enhancement plan for protective and encrypted storage chips for NOR Flash, and a plan for the industry's highest single-chip NOR Flash storage capacity in 3D NOR Flash. As of December 2025, the company had 3,627 patents in the US, 3,535 patents in Taiwan, 2,345 patents in China, and 404 patents in other countries, and more than 1,100 patent applications are pending in different countries. In FY2025, the company incurred expenses of TWD5,713.8 million on its R&D activities, which, as a percentage of revenue, stood at 19.7%.