Yuki KIGAMI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A tire comprises a tread portion 2. The tread portion 2 comprises a plurality of first oblique grooves 10A extending obliquely from a first tread edge Te1 positioned on one side in a tire axial direction toward a tire equator C. Each of the first oblique grooves 10A comprises a main body portion 12 extending from the first tread edge Te1 without reaching the tire equator C and a branch portion 13 branching off from the main body portion 12 and extending to cross the tire equator. The branch portion 13 terminates without being connected with other grooves than the first oblique grooves 10A.
Abstract: A tire comprises a tread portion 2 having an outboard tread edge To and an inboard tread edge Ti and provided with an outboard shoulder main groove 3 and an outboard crown main groove 4 extending continuously in the tire circumferential direction so as to define an outboard middle land region 10 therebetween. The outboard middle land region 10 comprises outboard middle blocks 17 circumferentially divided by outboard middle lateral grooves 16. Each of the outboard middle blocks 17 is provided with outboard middle sipes 20 extending zigzag in the tire axial direction, wherein each of the outboard middle sipes 20 has an axially outer end terminated within the outboard middle block 17, and the above-said a plurality of outboard middle sipes 20 include at least one outboard middle sipe whose axially inner end is connected with the outboard crown main groove 4.
Abstract: A tire comprises a tread portion 2. The tread portion 2 comprises a plurality of first oblique grooves 10A extending obliquely from a first tread edge Te1 positioned on one side in a tire axial direction toward a tire equator C. Each of the first oblique grooves 10A comprises a main body portion 12 extending from the first tread edge Te1 without reaching the tire equator C and a branch portion 13 branching off from the main body portion 12 and extending to cross the tire equator. The branch portion 13 terminates without being connected with other grooves than the first oblique grooves 10A.
Abstract: A tire comprises a tread portion 2 having an outboard tread edge To and an inboard tread edge Ti and provided with an outboard shoulder main groove 3 and an outboard crown main groove 4 extending continuously in the tire circumferential direction so as to define an outboard middle land region 10 therebetween. The outboard middle land region 10 comprises outboard middle blocks 17 circumferentially divided by outboard middle lateral grooves 16. Each of the outboard middle blocks 17 is provided with outboard middle sipes 20 extending zigzag in the tire axial direction, wherein each of the outboard middle sipes 20 has an axially outer end terminated within the outboard middle block 17, and the above-said a plurality of outboard middle sipes 20 include at least one outboard middle sipe whose axially inner end is connected with the outboard crown main groove 4.
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