The Yokohama Rubber Co Ltd (Yokohama Rubber) is primarily engaged in the manufacturing and selling of a wide range of rubber products. It develops, manufactures, and sells tires in all product categories, from general-use tires for passenger cars to winter tires for driving on icy and snowy roads; truck and bus tires; off-highway tires for agricultural machinery, construction machinery, industrial machinery, and forestry machinery; and various tires used in a wide range of motorsports. The company also offers products such as golf products, conveyor belts, hoses, marine fenders, and aerospace products.

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Yokohama Rubber has undertaken several research and development initiatives focusing on core technologies and product-related developments. The company is advancing in areas such as AI technology for tire pressure assessment, efficient butadiene production from plant-derived ethanol, and theoretical modeling for predicting rubber wear. Additionally, the company is involved in international collaborative research for sustainable natural rubber production and is enhancing its product offerings in agricultural machinery and industrial vehicle tires. The company is also developing high-pressure hoses and flame-retardant conveyor belts with improved energy efficiency. The research and development units of Yokohama Rubber include the Advanced Research and Development Division, responsible for research and development activities related to the company's core technologies, and the Tire, MB, and other technology divisions, which handle R&D activities directly related to products. In FY2025, the company spent JPY21,382 million on its R&D, which as a percentage of revenue stood at 1.7% and grew 7.9% YoY.