Patents by Inventor Fumito KITANAKA
Fumito KITANAKA 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: 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: 20240246458Abstract: A vehicle seat includes: a seat cushion frame; a side finisher provided at a side of the seat cushion; a circuit board positioned between the side frame and the side finisher in a side view; a support case supporting the circuit board and positioned between the side frame and the side finisher in a side view; and a board-connected cable including a first end connected to the circuit board, a flexible cable main body that extends from the first end, and a second end that is a connector connectable to an electric cable for supplying power to an electric actuator. The support case is integrated to the side finisher; the support case is installable to the side frame; and the support case includes a cable protection section that, in a side view, overlaps with at least part of the cable main body and that does not overlap with at least the connector.Type: ApplicationFiled: January 22, 2024Publication date: July 25, 2024Inventors: Kensuke YOSHIGA, Yukinori MIKITA, Kenji NAGUMO, Fumito KITANAKA
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Publication number: 20240198873Abstract: A vehicle seat includes: a seat cushion frame; a seat back frame; a routing member extending from a rear face side of a seat back to a lower side of a seat cushion; a screen member provided extending from the rear face side of the seat back to the lower side of the seat cushion. The screen member includes: a main body portion disposed at a lower side of a rear face of the seat back, and a projecting portion projecting from the main body portion and disposed at the lower side of the seat cushion; and a resilient member, one end, in a length direction, of the resilient member being attached to the projecting portion, at which the main body portion is disposed, another end of the resilient member being attached to the seat cushion frame, and the resilient member being extensible in accordance with a tilting action of the seat back.Type: ApplicationFiled: December 15, 2023Publication date: June 20, 2024Inventors: Kensuke YOSHIGA, Hiroki JINEDA, Kenji NAGUMO, Fumito KITANAKA, Mitsutoshi SAITO
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Publication number: 20240157862Abstract: A vehicle seat includes a seat cushion having an upward and downward movement mechanism configured to adjust a position of the seat cushion in a range between an upper most position and a lower most position in a seat vertical direction; and a shielding member configured to bend, and shielding a lower side of the seat cushion. The shielding member includes: an upper section disposed at a lower surface side of the seat cushion; a middle section disposed at a lower side of the upper section, provided with an inducing portion serving as a trigger for bending of the shielding member, and being configured to follow a movement, in the seat vertical direction, of the seat cushion by changing a bending angle at a bending start point portion that is bent by the inducing portion; and a lower section disposed at a lower side of the middle section.Type: ApplicationFiled: November 13, 2023Publication date: May 16, 2024Inventors: Kensuke YOSHIGA, Hiroki JINEDA, Kenji NAGUMO, Fumito KITANAKA, Mitsutoshi SAITO
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Publication number: 20240116416Abstract: In a cushion skin, left and right side surface skin front portions are fixed to a cushion frame of the seat cushion. The left and right side surface skin rear portions are respectively connected to the left and right side surface skin front portions, and each have a lower extending portion extending downward of the rear portion of the cushion pad. The connecting portion is disposed at the lower side of the rear portion of the cushion pad, and connects the distal end portions of each lower extending portion of the left and right side surface skin rear portions in the seat left-right direction. In each lower extending portion, a front side in the seat front-rear direction expands wider outward in the seat left-right direction than a rear side.Type: ApplicationFiled: October 6, 2023Publication date: April 11, 2024Inventors: Syunji TAKAZAWA, Hideki HASUMI, Atsushi KAGEYAMA, Fumito KITANAKA, Kenji NAGUMO
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Publication number: 20240116407Abstract: A vehicle seat includes a hinge cover that is disposed at aside 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, and a reclining lever that is disposed at an outer side in a seat width direction with respect to the hinge cover and is rotatable about the recliner shaft to unlock the recliner. A part of an edge portion of the opening of the hinge cover is provided with a facing portion that protrudes further toward the recliner shaft side than another portion of the edge portion and faces the recliner shaft in proximity.Type: ApplicationFiled: October 9, 2023Publication date: April 11, 2024Inventors: Yukinori MIKITA, Kensuke YOSHIGA, Fumito KITANAKA, Masafumi TAKANO
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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: 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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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: 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: 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: 20230202359Abstract: A seatback frame including left and right side frames, a lower frame, and a sacrum support section. The left and right side frames extend in a seat up-down direction inside left and right side portions of a seatback of a vehicle seat. The lower frame spans between lower end portions of the left and right side frames. The sacrum support section extends from a lower end portion of the lower frame toward a seat front side and supports a sacral region of a seated occupant from a seat rear side. A weakened portion that is weakened by a load from the seat front side is provided to the sacrum support section.Type: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Inventors: Daisuke KOBAYASHI, Kensuke YOSHIGA, Akihiko MIZUNO, Fumito KITANAKA, Kenji NAGUMO