Bridgestone’s patented tire design features a bead portion with a bead core and an annular plate made of resin. The innovative structure allows for expansion or contraction in the tire’s circumferential direction, enhancing performance and durability. GlobalData’s report on Bridgestone 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 Bridgestone, Anti-skid tyre treads was a key innovation area identified from patents. Bridgestone's grant share as of April 2024 was 48%. Grant share is based on the ratio of number of grants to total number of patents.
Tire with bead structure having resin annular plate
The granted patent (Publication Number: US11964518B2) discloses a tire design with unique features aimed at improving performance and durability. The tire includes a tread portion in contact with the road surface, a tire side portion, and a bead portion composed of a bead core and an annular plate made of resin material. The annular plate exhibits characteristics where it expands or contracts in the tire's circumferential direction, with a wavy portion repeating an amplitude at the tire's width direction along the tire's circumference.
Furthermore, the patented tire design also incorporates a concavo-convex portion in the annular plate, repeating recesses and protrusions along the tire's circumference. This feature is specifically located at either the outer end or inner end in the tire's radial direction of the annular plate. By integrating these innovative elements into the tire structure, the patent aims to enhance overall performance, stability, and longevity, offering potential benefits to users seeking improved tire technology for various applications.
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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.
