Sumitomo Rubber Industries patented a heavy-duty pneumatic tire with specific reinforcing layer design. The tire has a tread surface, sidewalls, beads, carcass, and a reinforcing layer with specific dimensions and ratios for improved performance. GlobalData’s report on Sumitomo Rubber Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Sumitomo Rubber Industries, was a key innovation area identified from patents. Sumitomo Rubber Industries's grant share as of February 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.

Heavy duty pneumatic tire with specific reinforcing layer structure

Source: United States Patent and Trademark Office (USPTO). Credit: Sumitomo Rubber Industries Ltd

A heavy-duty pneumatic tire with a nominal aspect ratio of 65% or less has been granted a patent (Publication Number: US11926181B2). The tire includes a tread surface in contact with the road, sidewalls connected to the tread, beads, a carcass, and a reinforcing layer between the tread and carcass. The tire also features an edge band with specific axial distance requirements and a buffer layer with defined stress and loss tangent ratios.

Furthermore, the patent includes details on the composition and arrangement of belt plies, edge members, and buffer layers within the tire structure. Specific dimensions and configurations are outlined for optimal performance and durability. The patent emphasizes the importance of the positioning and properties of various components within the tire to enhance its heavy-duty capabilities and longevity on the road.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.