Denka Co Ltd (Denka) manufactures and markets chemical products. It focuses on the production of chemicals; materials used in electrical home appliances; cement additives for construction and cement production; fertilizers; synthetic rubber; polyvinyl chloride (PVC); vinyl acetate resins and semiconductor-related electronic materials.

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Denka's R&D initiatives are strategically designed to foster innovation and sustainability, aligning with the company's long-term vision and market needs. The R&D efforts focus on developing new businesses and products that leverage core technologies to create unique products contributing to a sustainable society. The company maintains a robust R&D budget, emphasizing innovation and expanding its research team to strengthen R&D capabilities. The strategy aligns with the "Mission 2030" management plan, emphasizing technological advancements and open innovation through collaborations with industry, academia, and government entities. The R&D units of Denka include the R&D Management Department, Intellectual Property Department, Analysis Technology Research Department, New Business Creation Department, and Denka Innovation Center. These units are responsible for managing the company's R&D activities, promoting new business development, managing intellectual property, and integrating multiple technologies to generate synergies across the organization. In FY2025, 181 patents filed and published domestically, 203 patents published internationally, and 428 patents (including utility models) registered domestically. In FY2025, the company spent JPY14,887 million on R&D, which as a percentage of revenue, stood at 3.7%.