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Sumitomo Rubber Industries Ltd patents

Recent patent applications related to Sumitomo Rubber Industries Ltd. Sumitomo Rubber Industries Ltd is listed as an Agent/Assignee. Note: Sumitomo Rubber Industries Ltd may have other listings under different names/spellings. We're not affiliated with Sumitomo Rubber Industries Ltd, we're just tracking patents.

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A tire comprises a tread portion 2 provided with a first main groove 3 and a second main groove 4 each extending in a zigzag manner and a land region 10 defined between them. The land region 10 is provided with a longitudinal sipe 15 extending in a zigzag manner in the tire circumferential direction, first lug grooves 16, and second lug grooves 17. ... Sumitomo Rubber Industries Ltd

Pneumatic tire and method for manufacturing pneumatic tire

A pneumatic tire excellent in high speed stability and turning ability is provided. In a band of a tire, a center portion located in an axial center has a helically wound structure in which a first band body including a first cord is wound. ... Sumitomo Rubber Industries Ltd

Airless tire

An airless tire includes a tread ring, a hub formed on radial direction inner side of the ring to be fixed to an axle, and a spoke structure connecting the ring and hub. The ring includes a tread rubber layer, a first reinforcing cord layer, a second reinforcing cord layer and a shear rubber layer between the first and second cord layers, the first and second cord layers and shear layer are formed such that ratio eb1/ee between tire circumferential direction tensile modulus eb1 of the first cord layer and shear modulus ee of the shear layer is 100 or greater and that ratio eb2/ee between tire circumferential direction tensile modulus eb2 of the second cord layer and shear modulus ee is 100 or greater, and each cord layer has a topping rubber having loss tangent tan δb of 0.03 to 0.10 and tensile modulus e*b of 4 to 20 mpa.. ... Sumitomo Rubber Industries Ltd

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Sumitomo Rubber Industries Ltd in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Sumitomo Rubber Industries Ltd with additional patents listed. Browse our Agent directory for other possible listings. Page by