Patents by Inventor RYOTA ISHIGAKI
RYOTA ISHIGAKI 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: 11878645Abstract: A knee airbag device according to the present invention includes: an airbag that restrains a lower extremity of an occupant by expanding and deploying below an instrument panel of a vehicle; and an inflator that supplies expansion gas to the airbag. The airbag includes, when the inside of the vehicle is a first side and the outside of the vehicle is a second side, a first portion positioned on the first side and a second portion positioned on the second side. Furthermore, the first portion of the airbag protrudes more toward the occupant side than the second portion.Type: GrantFiled: February 2, 2022Date of Patent: January 23, 2024Assignee: Autoliv Development ABInventors: Yutaka Nakajima, Takanari Muroya, Ryota Ishigaki
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Patent number: 11873050Abstract: A saddle riding-type vehicle includes a retainer that is provided behind a head pipe; an inflator; and an airbag that is housed in the retainer, inflates by gas discharged by the inflator, and is deployed in front of an occupant. The airbag includes a proximal end portion that is positioned in the retainer when the airbag is deployed and an outward deployment portion that extends from the proximal end portion and is deployed to the outside of the retainer when the airbag is deployed. A tab is provided on the proximal end portion, and the tab is fixed to the retainer.Type: GrantFiled: March 31, 2020Date of Patent: January 16, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Takashi Sato, Yutaka Aikyo, Ryota Ishigaki, Masaru Habu, Makoto Fuma
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Patent number: 11865987Abstract: An occupant protecting device provided inside or below a seat cushion of a vehicle seat, including an airbag cushion, an inflator, and a cover that covers at least a portion of the airbag cushion and is capable of being cleaved opened by the expansion and deployment of the airbag cushion. The airbag cushion has front and rear attaching points attached to the vehicle seat side as well as an expanding and deploying part that at least expands and deploys between the front and rear attaching points. The cover has a weak portion that serves as a starting point when cleaved open by expansion and deployment of the airbag cushion and is arranged on a rearward side. The cover covers the front attaching points side of the expanding and deploying part and is attached to the vehicle seat on the front attaching points side.Type: GrantFiled: March 25, 2021Date of Patent: January 9, 2024Assignee: Autoliv Development ABInventor: Ryota Ishigaki
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Publication number: 20240001881Abstract: An occupant protection device capable of suppressing the occurrence of submarining and ensuring initial waist restraint performance. An occupant protection device provided inside or below a seat cushion of a vehicle seat, provided with: an airbag cushion capable of expanding and deploying to push up a seat surface of the seat cushion; and an inflator that supplies gas for expansion and deployment into the interior space of the airbag cushion during a vehicle emergency. The airbag cushion includes an expansion and deployment part that expands and deploys by gas from the inflator, and an exhaust vent part protruding from the peripheral edge of the airbag cushion. The expanded and deployed airbag cushion is configured such that the exhaust vent opens and allows the internal space of the expansion and deployment part to communicate with the outside when a load acts on the expansion and deployment part.Type: ApplicationFiled: October 20, 2021Publication date: January 4, 2024Inventors: Ryota ISHIGAKI, Yutaka NAKAJIMA
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Patent number: 11840301Abstract: A saddle-ride type vehicle includes a retainer that is disposed behind a head pipe; an inflator; and an airbag that is housed in the retainer, inflates by gas discharged by the inflator, and is deployed in front of an occupant. The airbag is housed in the retainer and includes a proximal end-side folded portion folded in a roll shape or a bellows shape, an intermediate-side folded portion extending from the proximal end-side folded portion and folded above the proximal end-side folded portion, and a distal end-side folded portion extending from the intermediate-side folded portion and folded in a roll or bellows shape in a cross section in a vehicle side view. The intermediate-side folded portion has a plurality of folding-back points at which folding is made along the distal end-side folded portion in a front-rear direction of the distal end-side folded.Type: GrantFiled: March 31, 2020Date of Patent: December 12, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Kei Takahashi, Takashi Sato, Yutaka Aikyo, Ryota Ishigaki, Masaru Habu, Makoto Fuma
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Patent number: 11766981Abstract: An occupant protecting device provided inside or below a seat cushion of a vehicle seat, containing: an airbag cushion capable of expanding and deploying to push up a seat surface of the seat cushion; and an inflator that supplies gas for expansion and deployment into the airbag cushion in the event of a vehicle emergency. The airbag cushion has front attaching points and rear attaching points attached to the vehicle seat side, and an expanding and deploying part that is expanded and deployed by the gas from the inflator. At least a portion of the expanding and deploying part overlaps itself in an up-down direction by folding between front attaching points and rear attaching points in a condition prior to expanding and deploying.Type: GrantFiled: March 31, 2020Date of Patent: September 26, 2023Assignee: Autoliv Development ABInventor: Ryota Ishigaki
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Publication number: 20230294631Abstract: A driver seat airbag device includes an airbag cushion installed at a center portion 108 of a steering wheel of a vehicle which is configured to expand and deploy toward an occupant in a driver seat; and an inflator that supplies gas to the airbag cushion. The airbag cushion includes a steering side panel provided on the steering wheel side and an occupant side panel joined to the occupant side of the steering side panel. The shape of the expanded and deployed airbag cushion is such that the portion W2, which is the largest area of the cross section orthogonal to the axis of rotation of the steering wheel, is formed further toward the front side of the vehicle than the center portion between the frontmost portion of the steering side panel and the rearmost portion of the occupant side panel.Type: ApplicationFiled: July 27, 2021Publication date: September 21, 2023Inventors: Ryota ISHIGAKI, Yutaka HIROTA, Christopher BANATIN
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Publication number: 20230256928Abstract: An occupant protecting device provided inside or below a seat cushion of a vehicle seat, comprising an airbag cushion capable of expanding and deploying a seat surface of the seat cushion; and an inflator. The airbag cushion includes a lower panel, an upper panel longer than the lower panel in the front-rear direction of the vehicle seat, and mutually opposing side panels joined to the lower panel and the upper panel. The airbag cushion has a first mounting point attached to the vehicle seat side and a second mounting point attached to the vehicle seat side on the rear side of the first mounting point in the front-rear direction of the vehicle seat. The lower panel and the upper panel are mutually joined to a first mounting point and a second mounting point.Type: ApplicationFiled: June 9, 2021Publication date: August 17, 2023Inventor: Ryota ISHIGAKI
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Publication number: 20230150599Abstract: A saddle riding-type vehicle includes a retainer that is provided behind a head pipe; an inflator; and an airbag that is housed in the retainer, inflates by gas discharged by the inflator, and is deployed in front of an occupant. The airbag includes a proximal end portion that is positioned in the retainer when the airbag is deployed and an outward deployment portion that extends from the proximal end portion and is deployed to the outside of the retainer when the airbag is deployed. A tab is provided on the proximal end portion, and the tab is fixed to the retainer.Type: ApplicationFiled: March 31, 2020Publication date: May 18, 2023Inventors: Takashi Sato, Yutaka Aikyo, Ryota Ishigaki, Masaru Habu, Makoto Fuma
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Publication number: 20230131869Abstract: An occupant protecting device provided inside or below a seat cushion of a vehicle seat, including an airbag cushion, an inflator, and a cover that covers at least a portion of the airbag cushion and is capable of being cleaved opened by the expansion and deployment of the airbag cushion. The airbag cushion has front and rear attaching points attached to the vehicle seat side as well as an expanding and deploying part that at least expands and deploys between the front and rear attaching points. The cover has a weak portion that serves as a starting point when cleaved open by expansion and deployment of the airbag cushion and is arranged on a rearward side. The cover covers the front attaching points side of the expanding and deploying part and is attached to the vehicle seat on the front attaching points side.Type: ApplicationFiled: March 25, 2021Publication date: April 27, 2023Inventor: Ryota ISHIGAKI
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Publication number: 20230127760Abstract: A saddle-ride type vehicle includes a retainer that is provided behind a head pipe; an inflator; and an airbag that is housed in the retainer, inflates by gas discharged by the inflator, and is deployed in front of an occupant. The retainer is disposed below a handlebar. The airbag is formed in a bag shape by a joining structure of a front surface and a rear surface, and a panel that forms a circumferential length difference between the front surface and the rear surface in a side view is provided at a coupling portion between the front surface and the rear surface.Type: ApplicationFiled: March 31, 2020Publication date: April 27, 2023Inventors: Takashi Sato, Yutaka Aikyo, Ryota Ishigaki, Masaru Habu, Makoto Fuma
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Publication number: 20230058627Abstract: A saddle-ride type vehicle includes a retainer that is disposed behind a head pipe; an inflator; and an airbag that is housed in the retainer, inflates by gas discharged by the inflator, and is deployed in front of an occupant. The airbag is housed in the retainer and includes a proximal end-side folded portion folded in a roll shape or a bellows shape, an intermediate-side folded portion extending from the proximal end-side folded portion and folded above the proximal end-side folded portion, and a distal end-side folded portion extending from the intermediate-side folded portion and folded in a roll or bellows shape in a cross section in a vehicle side view. The intermediate-side folded portion has a plurality of folding-back points at which folding is made along the distal end-side folded portion in a front-rear direction of the distal end-side folded.Type: ApplicationFiled: March 31, 2020Publication date: February 23, 2023Inventors: Kei Takahashi, Takashi Sato, Yutaka Aikyo, Ryota Ishigaki, Masaru Habu, Makoto Fuma
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Publication number: 20230023183Abstract: PROBLEM To provide a motorcycle airbag device that contributes to the stabilization of the deployment behavior and the deployment posture of the airbag. RESOLUTION MEANS The present invention is an airbag device mounted on a motorcycle having a gas generator that generates an expansion gas, where the airbag is expanded by the expansion gas, and by deploying in front of the occupant, restrains forward movement of the occupant. Furthermore, the airbag has a stepped portion that protrudes forward when deployed and is supported by a structural portion around the top of the handlebars of the motorcycle.Type: ApplicationFiled: December 23, 2020Publication date: January 26, 2023Inventors: Makoto FUMA, Sho MURAKAMI, Ryota ISHIGAKI, Masaru HABU
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Patent number: 11524652Abstract: A curtain airbag attached to a vehicle body and expanded and deployed by a gas from an inflator containing: a first region along a lower edge; a second region adjacent above the first region with a first fold line; a third region adjacent above the second region with a second fold line formed on an opposite side of the first fold line across the second region. The first region is in a condition folded back at the first fold line to face a first surface side of the second region, the second region is in a condition folded back at the second fold line such that the folded back first region is between the second region and the third region, the third region is in a condition rolled upward on a second surface side. Rolling starts from the second fold line.Type: GrantFiled: December 2, 2019Date of Patent: December 13, 2022Assignee: Autoliv Development ABInventors: Tomoya Kato, Takashi Murayama, Ryota Ishigaki
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Publication number: 20220242354Abstract: A knee airbag device according to the present invention includes: an airbag that restrains a lower extremity of an occupant by expanding and deploying below an instrument panel of a vehicle; and an inflator that supplies expansion gas to the airbag. The airbag includes, when the inside of the vehicle is a first side and the outside of the vehicle is a second side, a first portion positioned on the first side and a second portion positioned on the second side. Furthermore, the first portion of the airbag protrudes more toward the occupant side than the second portion.Type: ApplicationFiled: February 2, 2022Publication date: August 4, 2022Inventors: Yutaka NAKAJIMA, Takanari MUROYA, Ryota ISHIGAKI
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Publication number: 20220176905Abstract: An occupant protecting device provided inside or below a seat cushion of a vehicle seat, containing: an airbag cushion capable of expanding and deploying to push up a seat surface of the seat cushion; and an inflator that supplies gas for expansion and deployment into the airbag cushion in the event of a vehicle emergency. The airbag cushion has front attaching points and rear attaching points attached to the vehicle seat side, and an expanding and deploying part that is expanded and deployed by the gas from the inflator. At least a portion of the expanding and deploying part overlaps itself in an up-down direction by folding between front attaching points and rear attaching points in a condition prior to expanding and deploying.Type: ApplicationFiled: March 31, 2020Publication date: June 9, 2022Inventor: Ryota ISHIGAKI
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Patent number: 11267432Abstract: An airbag that includes an inner bag having a facing surface configured to face a passenger of a vehicle in the deployed state, an outer bag that surrounds the outer periphery of the inner bag with the facing surface exposed, and two protrusion parts which are provided in the outer bag and are respectively disposed on the left and right sides in the width direction of the vehicle with respect to the facing surface so as to protrude rearward. The inner bag and the outer bag may be partitioned by a common partition wall, with a ventilation port formed in the partition wall. Moreover, the inner bag and the outer bag may each be independent bag bodies, a ventilation port may be formed in both the inner bag and the outer bag, and the inner bag and the outer bag may be coupled around the ventilation port.Type: GrantFiled: July 30, 2019Date of Patent: March 8, 2022Assignee: Autoliv Deveopment ABInventors: Yutaka Nakajima, Takanari Muroya, Ryota Ishigaki
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Publication number: 20220055567Abstract: A curtain airbag attached to a vehicle body and expanded and deployed by a gas from an inflator containing: a first region along a lower edge; a second region adjacent above the first region with a first fold line; a third region adjacent above the second region with a second fold line formed on an opposite side of the first fold line across the second region. The first region is in a condition folded back at the first fold line to face a first surface side of the second region, the second region is in a condition folded back at the second fold line such that the folded back first region is between the second region and the third region, the third region is in a condition rolled upward on a second surface side. Rolling starts from the second fold line.Type: ApplicationFiled: December 2, 2019Publication date: February 24, 2022Inventors: Tomoya KATO, Takashi MURAYAMA, Ryota ISHIGAKI
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Patent number: 11167717Abstract: An airbag apparatus with a cushion that expands and deploys from in front of a seat is provided. The cushion includes a front restraining part that restrains a head of a passenger from the front of a vehicle. The cushion further includes protrusion parts that are provided beside the front restraining part in the width direction of the vehicle and protrude and expand further towards the rear of the vehicle than the front restraining part. Inner tethers inside the cushion are connected to the front restraining part and to which tension is applied to pull the front restraining part towards the front of the vehicle. Outer tethers are connected to the protrusion parts and to which tension is applied to pull the protrusion parts towards the front of the vehicle. When tension is applied to the inner tethers, force towards the inner tethers is applied to the outer tethers.Type: GrantFiled: January 12, 2018Date of Patent: November 9, 2021Assignee: Autoliv Development ABInventors: Yutaka Nakajima, Takanari Muroya, Ryota Ishigaki
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Patent number: 11135991Abstract: [Issue] An objective of providing an airbag device enabling efficiently suppressing injury of the occupant during an emergency. [Resolution Means] A representative structure of the airbag device 100 according to the present invention includes an inflator 112 that is installed on a vehicle and is able to supply gas, an airbag cushion 104 that expands and deploys in front of the seating position of the vehicle occupant based on the gas, and at least one internal tether 116 with a first end 122 connected to the seating position side inside the airbag cushion 104 and a second end 124 connected to the vehicle front side inside the airbag cushion 104. The airbag cushion 104 is characterized by a recessed concave part 114 formed through pulling of the internal tether 116 on the center of the seating position side.Type: GrantFiled: August 27, 2019Date of Patent: October 5, 2021Assignee: Autoliv Development ABInventor: Ryota Ishigaki