Patents by Inventor Jun Shirai
Jun Shirai 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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Publication number: 20260102167Abstract: A clip unit includes: a clip having a first arm and a second arm that are capable of opening and closing toward a distal end side; and a tube-shaped member capable of storing at least a part of the clip, in which the first arm has a first claw that extends to a closing side in an opening/closing direction at a distal end, and the first claw has a first anchor.Type: ApplicationFiled: December 15, 2025Publication date: April 16, 2026Inventors: Jun SHIRAI, Masaru Yuasa, Haruhiro INOUE
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Publication number: 20260102166Abstract: A clip unit includes a clip having a first arm and a second arm that are configured to be opened and closed in an opening and closing direction. The first arm has a first arm main body extending in a longitudinal direction. A first claw is provided at a distal end of the first arm main body and extends toward a closing side in the opening and closing direction. A first anchor is provided at the distal end of the first arm main body or the first claw and extends toward the closing side. At least a distal end of the first anchor is disposed on an opening side in the opening and closing direction with respect to the first claw. A gap is formed between the first claw and the first anchor in a width direction perpendicular to the longitudinal direction and the opening and closing direction.Type: ApplicationFiled: December 12, 2025Publication date: April 16, 2026Inventor: Jun SHIRAI
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Patent number: 12570194Abstract: A seat cushion frame configuring a framework of a seat cushion for an occupant of a vehicle to sit on and including left and right side frames and a cushion pan. The left and right side frames are disposed at left and right side portions of the seat cushion. The cushion pan connects upper end portions of front portions of the left and right side frames together in a seat left-right direction, and is weakened locally at a weakened portion provided at a seat left-right direction center of a rear end portion of the cushion pan.Type: GrantFiled: December 22, 2022Date of Patent: March 10, 2026Assignees: NHK Spring Co., Ltd., SUBARU CORPORATIONInventors: Syunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Kenji Nagumo, Fumito Kitanaka, Suguru Ishikawa
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Patent number: 12545152Abstract: A vehicle seat includes a hinge cover and a reclining lever. The hinge cover is disposed at a side portion of a seat cushion, and has an opening through which a recliner shaft of a recliner provided between the seat cushion and a seat back passes. The reclining lever is disposed at an outer side in a seat width direction with respect to the hinge cover, is rotatable about the recliner shaft to unlock the recliner, and has a protrusion protruding inward in the seat width direction, the protrusion facing an edge portion of the opening in a radial direction of the recliner shaft.Type: GrantFiled: October 6, 2023Date of Patent: February 10, 2026Assignees: NHK SPRING CO., LTD., SUBARU CORPORATIONInventors: Yukinori Mikita, Kensuke Yoshiga, Jun Shirai, Fumito Kitanaka, Masafumi Takano
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Publication number: 20250318839Abstract: A cartridge system including: a treatment instrument configured to be configured to be loaded into an applicator; a cartridge in which an insertion port which the applicator is configured to be inserted into and pass through in an insertion/passage direction is formed and the treatment instrument is housed; and a pack in which a storage area that is configured to house the cartridge is formed, in which the cartridge is configured to transition to a first form in which the cartridge is housed in the storage area of the pack and a second form in which at least a part protrudes from the storage area, and the pack is opened in accordance with transition of the cartridge from the first form to the second form.Type: ApplicationFiled: March 6, 2025Publication date: October 16, 2025Inventors: Hiroshi MINAMI, Kazuhiro MORISAKI, Kensuke UESAKA, Tatsuya SUZUKI, Hoangviet PHAM, Naoki TAKIZAWA, Jun SHIRAI
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Publication number: 20250120725Abstract: A cartridge system includes a main body portion having a plurality of clip storage areas. Each of the clip storage areas stores a clip, and each of the clip storage areas is provided with an opening through which an applicator can be inserted and a lid for independently opening and closing the opening.Type: ApplicationFiled: October 16, 2024Publication date: April 17, 2025Inventors: Yutaka YANUMA, Shogo Shindo, Jun Shirai, Ryoma Kita, Kensuke Uesaka, Yuya Hidaka, Hiroshi Minami
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Patent number: 12240362Abstract: A seat cushion frame configuring framework of a seat cushion for an occupant of a vehicle to sit on, and including left and right side frames, a cushion pan, and a reinforcement member. The left and right side frames are disposed at left and right side portions of the seat cushion. The cushion pan connects upper end portions of front portions of the left and right side frames together in a seat left-right direction. The reinforcement member includes the left and right reinforcement portions respective affixed to the seat left-right direction sides of the rear end portion of the cushion pan.Type: GrantFiled: December 22, 2022Date of Patent: March 4, 2025Assignees: NHK Spring Co., Ltd., Subaru CorporationInventors: Syunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Fumito Kitanaka, Kenji Nagumo, Suguru Ishikawa
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Publication number: 20250000499Abstract: A clip device can include a clip including a pair of clip arms, a capsule including a channel, the channel slidably inserted into a proximal end of each clip arm of the pair of clip arms, and a coupler attached onto the proximal end of the capsule. The coupler includes a pair of deployment arms and a pair of retention arms. The pair of retention arms are configured to engage with a corresponding portion of an applicator. Wherein a first length of the coupler in a first direction is longer than a second length of the coupler in a second direction in a cross-section. The cross-section crosses the pair of retention arms and the pair of deployment arms and is perpendicular to a longitudinal direction of the coupler.Type: ApplicationFiled: June 28, 2024Publication date: January 2, 2025Inventors: Ryu YORITA, Toshinori TAMURA, Jun SHIRAI, Naoki TAKIZAWA, Shogo Shindo, Kensuke Uesaka, Masaru Yuasa
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Patent number: 12097788Abstract: A vehicle seat frame includes a seat cushion frame, left and right links, a connection member, left and right slide rails, and left and right risers. The seat cushion frame includes left and right side frames. The left and right links each have a one end portion connected to respective front portions of the left and right side frames. The connection member connects the left and right links together in the seat left-right direction. The left and right slide rails are disposed below the left and right side frames and are attached to a floor section of the vehicle. The left and right risers are respectively attached to the left and right slide rails, are connected to respective other end portions of the left and right links, and are configured to be impacted by the connection member under load from the occupant during a head-on collision of the vehicle.Type: GrantFiled: December 21, 2022Date of Patent: September 24, 2024Assignees: NHK Spring Co., Ltd, Subaru Corporation, Toyota Boshoku Kabushiki KaishaInventors: Syunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Fumito Kitanaka, Kenji Nagumo, Suguru Ishikawa, Naoki Hayashi
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Patent number: 12054080Abstract: In a vehicle seat frame, a connection member that connects left and right links together in a seat left-right direction is disposed below a rear portion of a cushion pan included in a seat cushion frame. A sloped surface sloped with a downward gradient toward a seat rear side is formed at a lower surface of the rear portion of the cushion pan. The sloped surface of the cushion pan slides in a seat rearward and diagonally downward direction relative to the connection member when the cushion pan deforms in a seat downward direction under load from the occupant during a head-on collision of the vehicle.Type: GrantFiled: December 22, 2022Date of Patent: August 6, 2024Assignees: NHK SPRING CO., LTD., SUBARU CORPORATIONInventors: Syunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Kenji Nagumo, Fumito Kitanaka, Suguru Ishikawa, Naoki Hayashi
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Publication number: 20240116408Abstract: A vehicle seat includes a hinge cover and a reclining lever. The hinge cover is disposed at a side portion of a seat cushion, and has an opening through which a recliner shaft of a recliner provided between the seat cushion and a seat back passes. The reclining lever is disposed at an outer side in a seat width direction with respect to the hinge cover, is rotatable about the recliner shaft to unlock the recliner, and has a protrusion protruding inward in the seat width direction, the protrusion facing an edge portion of the opening in a radial direction of the recliner shaft.Type: ApplicationFiled: October 6, 2023Publication date: April 11, 2024Inventors: Yukinori MIKITA, Kensuke YOSHIGA, Jun SHIRAI, Fumito KITANAKA, Masafumi TAKANO
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Publication number: 20230202363Abstract: A seat cushion frame configuring a framework of a seat cushion for an occupant of a vehicle to sit on and including left and right side frames and a cushion pan. The left and right side frames are disposed at left and right side portions of the seat cushion. The cushion pan connects upper end portions of front portions of the left and right side frames together in a seat left-right direction, and is weakened locally at a weakened portion provided at a seat left-right direction center of a rear end portion of the cushion pan.Type: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Inventors: Syunichirou OSA, Hiroki MATSUDA, Jun SHIRAI, Masafumi TAKANO, Kenji NAGUMO, Fumito KITANAKA, Suguru ISHIKAWA
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Publication number: 20230202360Abstract: In a vehicle seat frame, a connection member that connects left and right links together in a seat left-right direction is disposed below a rear portion of a cushion pan included in a seat cushion frame. A sloped surface sloped with a downward gradient toward a seat rear side is formed at a lower surface of the rear portion of the cushion pan. The sloped surface of the cushion pan slides in a seat rearward and diagonally downward direction relative to the connection member when the cushion pan deforms in a seat downward direction under load from the occupant during a head-on collision of the vehicle.Type: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Inventors: Syunichirou OSA, Hiroki MATSUDA, Jun SHIRAI, Masafumi TAKANO, Kenji NAGUMO, Fumito KITANAKA, Suguru ISHIKAWA, Naoki HAYASHI
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Publication number: 20230202361Abstract: A vehicle seat frame includes a seat cushion frame, left and right links, a connection member, left and right slide rails, and left and right risers. The seat cushion frame includes left and right side frames. The left and right links each have a one end portion connected to respective front portions of the left and right side frames. The connection member connects the left and right links together in the seat left-right direction. The left and right slide rails are disposed below the left and right side frames and are attached to a floor section of the vehicle. The left and right risers are respectively attached to the left and right slide rails, are connected to respective other end portions of the left and right links, and are configured to be impacted by the connection member under load from the occupant during a head-on collision of the vehicle.Type: ApplicationFiled: December 21, 2022Publication date: June 29, 2023Inventors: Syunichirou OSA, Hiroki MATSUDA, Jun SHIRAI, Masafumi TAKANO, Fumito KITANAKA, Kenji NAGUMO, Suguru ISHIKAWA, Naoki HAYASHI
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Publication number: 20230202362Abstract: A seat cushion frame configuring framework of a seat cushion for an occupant of a vehicle to sit on, and including left and right side frames, a cushion pan, and a reinforcement member. The left and right side frames are disposed at left and right side portions of the seat cushion. The cushion pan connects upper end portions of front portions of the left and right side frames together in a seat left-right direction. The reinforcement member includes the left and right reinforcement portions respective affixed to the seat left-right direction sides of the rear end portion of the cushion pan.Type: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Inventors: Syunichirou OSA, Hiroki MATSUDA, Jun SHIRAI, Masafumi TAKANO, Fumito KITANAKA, Kenji NAGUMO, Suguru ISHIKAWA
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Patent number: 10486561Abstract: A lock release lever attachment structure includes: a case that includes a case body, an upper portion of which opens as a first opening, and a first flange, a slit being formed to penetrate through at least a portion of the first flange in a seat up-down direction along a peripheral edge of the first opening; an operation lever that releases a locked state of a seatback; and a cover that includes a cover body, an upper portion of which opens as a second opening, and a second flange, the first and second openings being placed in communication by inserting the cover body into the case body through the first opening and fixing the cover body inside the case body, and an edge of a covering material that covers a surface of the seatback being inserted into the slit and gripped by the first and the second flanges.Type: GrantFiled: February 26, 2018Date of Patent: November 26, 2019Assignee: NHK Spring Co., Ltd.Inventors: Jun Shirai, Koji Matsuyama
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Patent number: 10259350Abstract: A lock release mechanism comprising: an operation lever provided at a shoulder of a seatback of a vehicle seat, the operation lever being supported to be tiltable in a seat front-and-rear direction about an axis along a seat width direction; a rod, wherein the rod comprises a coupled portion, a main body portion, and a projecting portion; and a width direction limiting portion that limits movement of the rod in the seat width direction relative to the operation lever.Type: GrantFiled: April 25, 2017Date of Patent: April 16, 2019Assignee: NHK Spring Co., Ltd.Inventors: Jun Shirai, Koji Matsuyama
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Publication number: 20180257520Abstract: A lock release lever attachment structure includes: a case that includes a case body, an upper portion of which opens as a first opening, and a first flange, a slit being formed to penetrate through at least a portion of the first flange in a seat up-down direction along a peripheral edge of the first opening; an operation lever that releases a locked state of a seatback; and a cover that includes a cover body, an upper portion of which opens as a second opening, and a second flange, the first and second openings being placed in communication by inserting the cover body into the case body through the first opening and fixing the cover body inside the case body, and an edge of a covering material that covers a surface of the seatback being inserted into the slit and gripped by the first and the second flanges.Type: ApplicationFiled: February 26, 2018Publication date: September 13, 2018Inventors: Jun Shirai, Koji Matsuyama
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Patent number: 9950459Abstract: To provide a vehicle resin part and a vehicle resin part manufacturing method with which raised portions can be formed using slanted slide molds even on opposing molded portions that have a narrow distance between them. In a rail cover, shelf-shaped portions that can be molded using a cavity and a core are formed on opposing side wall portions, and claw portions that can be molded using slanted slide molds are formed projecting from the shelf-shaped portions in the directions of the opposing side wall portions. Additionally, the claw portions are molded by moving, during demolding, the pair of slanted slide molds in the directions of the opposing side wall portions from a molding position and thereafter removing the pair of slanted slide molds in a forward direction.Type: GrantFiled: May 14, 2015Date of Patent: April 24, 2018Assignee: NHK Spring Co., Ltd.Inventors: Jun Shirai, Taisuke Matsuzaki, Yuta Takagi
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Publication number: 20170313212Abstract: A lock release mechanism comprising: an operation lever provided at a shoulder of a seatback of a vehicle seat, the operation lever being supported to be tiltable in a seat front-and-rear direction about an axis along a seat width direction; a rod, wherein the rod comprises a coupled portion, a main body portion, and a projecting portion; and a width direction limiting portion that limits movement of the rod in the seat width direction relative to the operation lever.Type: ApplicationFiled: April 25, 2017Publication date: November 2, 2017Inventors: Jun Shirai, Koji Matsuyama