Patents by Inventor Seigo Nakaya
Seigo Nakaya 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).
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Patent number: 11825903Abstract: A shoe sole includes a rear bottom surface part and a toe portion. The rear bottom surface part is formed to extend from a rearfoot portion to a midfoot portion and, when the shoe sole is placed on a flat virtual surface, the rear bottom surface part is in contact with the virtual surface. A height of the toe portion from the virtual surface is set to 170% or greater and 250% or less with respect to a thickness dimension in the rear bottom surface part.Type: GrantFiled: December 28, 2018Date of Patent: November 28, 2023Assignee: ASICS CORPORATIONInventors: Masanori Sakaguchi, Seigo Nakaya, Kenta Moriyasu, Shingo Takashima, Yuya Kozuka, Tomoki Ishizashi, Akihisa Sugifune, Hiroaki Nishimura, Takayuki Kogure
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Patent number: 11779081Abstract: A shoe is provided with a first forming portion provided on a medial side and a second forming portion provided on a lateral side across a central opening formed forward from a foot insertion portion of an upper on each of which a string passing portion is formed; a first support member a tip end of which is fixed to the second forming portion, including a first string passing structure provided at the tip end, and extending downward so as to abut a medial side of a foot; a second support member a tip end of which is fixed to the first forming portion, including a second string passing structure provided at the tip end, and extending downward so as to abut a lateral side of the foot; and a shoelace which passes through the string passing portion and continuously passes through the first and second string passing structures.Type: GrantFiled: April 1, 2022Date of Patent: October 10, 2023Assignee: Asics CorporationInventors: Tatsuya Ishikawa, Ayu Bessho, Koji Otobe, Seigo Nakaya, Seiji Yano
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Publication number: 20230240408Abstract: A shoe sole 1 includes a bottom part 20 and a deformation restraining part 30. The bottom part 20 includes: a rear bottom surface part 24 formed to extend from a rearfoot to a midfoot portion and to be, when the shoe sole is placed on a virtual surface S as a flat surface, in contact with the virtual surface S; and a toe portion 26 of which a height from the virtual surface S is set to 100% or greater and 250% or less with respect to a thickness in the rear bottom surface part 24. The deformation restraining part 30 is disposed in an edge part on a medial side and a lateral side of the bottom part 20 and extends from a forefoot to the midfoot portion along the bottom part 20. The deformation restraining part 30 has higher hardness than the bottom part 20.Type: ApplicationFiled: June 26, 2020Publication date: August 3, 2023Applicant: ASICS CORPORATIONInventors: Masanori SAKAGUCHI, Hiroaki NISHIMURA, Tomoki ISHIZASHI, Kenji HIRATA, Seiji YANO, Seigo NAKAYA
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Patent number: 11700911Abstract: A midsole includes an upper layer and a lower layer made of a foamed material; the upper layer is a low-hardness foamed material; the lower layer is a high-hardness foamed material; the low-hardness foamed material of the upper layer is a low-hardness, high-resilience material that has a higher specific gravity than the high-hardness foamed material, that has a low hardness that is lower than the hardness of the high-hardness foamed material, and that has a higher speed at which to recover to an original shape after being deformed than that of the high-hardness foamed material.Type: GrantFiled: May 18, 2018Date of Patent: July 18, 2023Assignee: ASICS CORPORATIONInventors: Seigo Nakaya, Kenta Moriyasu, Yoshihito Tahira, Keishi Kitamoto, Junichiro Tateishi
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Publication number: 20230024019Abstract: A shoe sole includes an outsole and a sole body. The sole body includes a low hardness portion made of a foam material having relatively low hardness and a high hardness portion made of a foam material having relatively high hardness. The low hardness portion is provided to define an entire area of a lower surface of the sole body. The high hardness portion is disposed only in a specific region of a region located above the low hardness portion of the sole body.Type: ApplicationFiled: December 12, 2019Publication date: January 26, 2023Inventors: Seigo NAKAYA, Junichiro TATEISHI, Yusuke NISHIURA
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Patent number: 11470912Abstract: A reinforcement structure is disposed on a midsole of a shoe. A first bar extends from a first point in a medial side of the midsole to a second point in the medial side of the midsole. The second point is closer to a toe of the shoe than the first point. A second bar extends from a third point in the medial side of the midsole to a fourth point in a lateral side of the midsole. The fourth point being closer to the toe of the shoe than the third point. A third bar extending from a fifth point in the medial side of the midsole to a sixth point in the lateral side of the midsole. The sixth point being closer to the toe of the shoe than the fifth point. The third bar extending further toward the toe of the shoe than the second bar.Type: GrantFiled: March 17, 2020Date of Patent: October 18, 2022Assignee: ASICS CORPORATIONInventors: Genki Hatano, Tatsuya Ishikawa, Takashi Inomata, Seigo Nakaya, Hiroyuki Ogi, Souhei Nagano
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Publication number: 20220248805Abstract: A shoe includes a midsole and an upper joined to the midsole. A joint position between the midsole and a base end part of the upper is located inside in a width direction with respect to an outer circumferential edge of a top surface of the midsole. The shoe in another aspect includes the midsole, a first upper joined to the midsole, and a second upper disposed on the outside in a width direction of the first upper. A first joint position between the midsole and the base end part of the first upper is located on the inside in a width direction of a second joint position between the midsole and a base end part 68 of the second upper, and an upper edge U of the second upper is joined to the first upper.Type: ApplicationFiled: July 12, 2019Publication date: August 11, 2022Inventors: Sho TAKAMASU, Kei KANEMATSU, Shigeyuki MITSUI, Keita OZAWA, Genki HATANO, Seigo NAKAYA
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Patent number: 11388952Abstract: A reinforcement device reinforcing an upper includes: a rear first portion placed between a sole and a top line in a rear end portion of the upper; a rear second portion placed in a boundary portion between the upper and the sole in the rear end portion of the upper; a lateral first portion being continuous with the rear first portion and extending toward the sole on the lateral side; a medial first portion being continuous with the rear first portion and extending toward the sole on the medial side, the medial first portion being less flexurally deformable than the lateral first portion; and a medial second portion being continuous with the rear second portion and extending toward an anterior direction from the rear second portion along the medial side boundary portion so that the medial side boundary portion is less flexurally deformable than the lateral side boundary portion.Type: GrantFiled: July 11, 2017Date of Patent: July 19, 2022Inventors: Seigo Nakaya, Yoshihito Tahira
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Publication number: 20220218071Abstract: A shoe is provided with a first forming portion provided on a medial side and a second forming portion provided on a lateral side across a central opening formed forward from a foot insertion portion of an upper on each of which a string passing portion is formed; a first support member a tip end of which is fixed to the second forming portion, including a first string passing structure provided at the tip end, and extending downward so as to abut a medial side of a foot; a second support member a tip end of which is fixed to the first forming portion, including a second string passing structure provided at the tip end, and extending downward so as to abut a lateral side of the foot; and a shoelace which passes through the string passing portion and continuously passes through the first and second string passing structures.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Applicant: Asics CorporationInventors: Tatsuya ISHIKAWA, Ayu Bessho, Koji Otobe, Seigo Nakaya, Seiji Yano
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Publication number: 20220202131Abstract: A shoe includes: an upper in which an upper middle foot portion covering a middle foot portion of a foot of a wearer, an upper rear foot portion covering a heel portion of the foot, and a foot insertion opening for inserting the foot are formed; a sole located below the upper; a first support member disposed below a medial longitudinal arch of the foot inside the upper and including a lateral foot side portion fixed to the upper or the sole; and a first pulling-up member connected to a medial foot side portion of the first support member and enabled to apply, to the first support member, force for pulling up the first support member in a direction toward the upper rear foot portion and away from the sole.Type: ApplicationFiled: December 22, 2021Publication date: June 30, 2022Applicant: ASICS CORPORATIONInventors: Ryo MATSUNAGA, Tatsuya ISHIKAWA, Osamu YAMANE, Seigo NAKAYA
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Patent number: 11357289Abstract: A shoe is provided with a first forming portion provided on a medial side and a second forming portion provided on a lateral side across a central opening formed forward from a foot insertion portion of an upper on each of which a string passing portion is formed; a first support member a tip end of which is fixed to the second forming portion, including a first string passing structure provided at the tip end, and extending downward so as to abut a medial side of a foot; a second support member a tip end of which is fixed to the first forming portion, including a second string passing structure provided at the tip end, and extending downward so as to abut a lateral side of the foot; and a shoelace which passes through the string passing portion and continuously passes through the first and second string passing structures.Type: GrantFiled: March 29, 2019Date of Patent: June 14, 2022Assignee: ASICS CORPORATIONInventors: Tatsuya Ishikawa, Ayu Bessho, Koji Otobe, Seigo Nakaya, Seiji Yano
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Publication number: 20220160080Abstract: A shoe includes: an upper; a tightening tool disposed above an instep of a wearer and capable of applying, to the upper, tightening force for drawing portions and on the both sides in a foot width direction of the upper; and an arch support part provided such that tightening force applied to a first side portion in a foot width direction of the upper can be transmitted to the arch support part. The tightening force transmitter has stretchability in foot girth directions set higher than that of the arch support part.Type: ApplicationFiled: April 5, 2019Publication date: May 26, 2022Inventors: Seigo NAKAYA, Genki HATANO, Ayu BESSHO, Sho TAKAMASU, Keita OZAWA, Hiroki NAKAMURA, Yousuke ATARASHI
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Publication number: 20220061454Abstract: The shoe 100 includes the outer sole 10 brought in contact with the road surface, the midsole 20 arranged on the outer sole 10, and the upper 9 covering the foot from the upper side. The midsole 20 includes at the middle foot portion the cut-out portion 21 and the like opened to the outside and closed at the middle portion in the width direction.Type: ApplicationFiled: December 28, 2018Publication date: March 3, 2022Inventors: Seigo NAKAYA, Masanori SAKAGUCHI, Kenta MORIYASU, Genki HATANO, Sho TAKAMASU, Kenji HIRATA, Takayuki KOGURE
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Publication number: 20220015499Abstract: A shoe sole includes a body portion and a heel holding portion. The heel holding portion is located opposite to a ground contact surface of the body portion and holds a heel portion of a foot at least from a medial foot side. The body portion includes a low hardness portion and a high hardness portion. The high hardness portion is a foam material harder than a foam material of the low hardness portion. The heel holding portion is a resin harder than the foam material of the low hardness portion and the foam material of the high hardness portion. On the medial foot side in a rear foot portion, the low hardness portion is located between the heel holding portion and the high hardness portion in an up-down direction.Type: ApplicationFiled: June 28, 2021Publication date: January 20, 2022Inventors: Hiroki NAKAMURA, Keishi KITAMOTO, Yuji TAMAKOSHI, Seiji YANO, Shingo MASUMOTO, Shuhei TAKEMURA, Hiroaki NISHIMURA, Naoki SAKAJO, Seigo NAKAYA, Kazunaga NAKAYAMA
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Publication number: 20210330026Abstract: The present invention provides a shoe having a simpler structure compared to patent document JP-A 2010-162318, with reduced discomfort and enhanced repulsive force. According to an aspect of certain embodiments of the present invention, a shoe 10 comprising: a middle sole 14 having a foot contacting surface 40 and a ground contacting surface 42; an upper at least partially covering the foot contacting surface 40 of the middle sole 14; and an elastic structure 18 curving upwards towards the rear direction at least from the outer foot side of the ground contacting surface is provided. With such configuration, discomfort can be reduced and repulsive force can be enhanced.Type: ApplicationFiled: April 21, 2021Publication date: October 28, 2021Inventors: Sho TAKAMASU, Mizuho IRIE, Shigeyuki MITSUI, Kazunaga NAKAYAMA, Seigo NAKAYA, Masanori SAKAGUCHI
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Publication number: 20210267306Abstract: A shoe sole includes a rear bottom surface part and a toe portion. The rear bottom surface part is formed to extend from a rearfoot portion to a midfoot portion and, when the shoe sole is placed on a flat virtual surface, the rear bottom surface part is in contact with the virtual surface. A height of the toe portion from the virtual surface is set to 170% or greater and 250% or less with respect to a thickness dimension in the rear bottom surface part.Type: ApplicationFiled: December 28, 2018Publication date: September 2, 2021Inventors: Masanori SAKAGUCHI, Seigo NAKAYA, Kenta MORIYASU, Shingo TAKASHIMA, Yuya KOZUKA, Tomoki ISHIZASHI, Akihisa SUGIFUNE, Hiroaki NISHIMURA, Takayuki KOGURE
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Publication number: 20210259355Abstract: A shoe includes an upper portion surrounding an internal space configured to accommodate a foot. The upper portion includes an inner foot outer surface of an inner foot portion, and an air sucking out portion from which air is capable of being sucked out from the internal space to outside of the shoe when a leg of a wearer of the shoe swings is disposed on the inner foot outer surface of the inner foot portion of the upper portion. The air sucking out portion extends in a direction which is slanted by a predetermined first angle with respect to a vertical direction when the shoe is placed on a horizontal plane and is recessed relative to the inner foot outer surface.Type: ApplicationFiled: February 28, 2019Publication date: August 26, 2021Inventors: Masanori SAKAMOTO, Ayu BESSHO, Seigo NAKAYA, Kenta MORIYASU, Kenji HIRATA, Takayuki KOGURE
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Publication number: 20210244132Abstract: A shoe is provided with a first forming portion provided on a medial side and a second forming portion provided on a lateral side across a central opening formed forward from a foot insertion portion of an upper on each of which a string passing portion is formed; a first support member a tip end of which is fixed to the second forming portion, including a first string passing structure provided at the tip end, and extending downward so as to abut a medial side of a foot; a second support member a tip end of which is fixed to the first forming portion, including a second string passing structure provided at the tip end, and extending downward so as to abut a lateral side of the foot; and a shoelace which passes through the string passing portion and continuously passes through the first and second string passing structures.Type: ApplicationFiled: March 29, 2019Publication date: August 12, 2021Applicant: ASICS CORPORATIONInventors: Tatsuya ISHIKAWA, Ayu BESSHO, Koji OTOBE, Seigo NAKAYA, Seiji YANO
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Publication number: 20210227927Abstract: A midsole includes an upper layer and a lower layer made of a foamed material; the upper layer is a low-hardness foamed material; the lower layer is a high-hardness foamed material; the low-hardness foamed material of the upper layer is a low-hardness, high-resilience material that has a higher specific gravity than the high-hardness foamed material, that has a low hardness that is lower than the hardness of the high-hardness foamed material, and that has a higher speed at which to recover to an original shape after being deformed than that of the high-hardness foamed material.Type: ApplicationFiled: May 18, 2018Publication date: July 29, 2021Applicant: ASICS CORPORATIONInventors: Seigo NAKAYA, Kenta MORIYASU, Yoshihito TAHIRA, Keishi KITAMOTO, Junichiro TATEISHI
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Publication number: 20210204653Abstract: An object of the present invention is to provide shoes with good fitting property. The present invention provides a shoe including: a sole 1 which absorbs landing impact; and an upper 2 which covers an instep of a foot. The upper has a first opening 3 through which the foot is inserted when wearing the shoe. The upper 2 is partly or entirely made of a material which has negative Poisson's ratios.Type: ApplicationFiled: March 19, 2021Publication date: July 8, 2021Inventors: Mai NONOGAWA, Masashi ISOBE, Seigo NAKAYA, Fumitaka KAMIFUKUMOTO, Hiroaki NISHIMURA