Patents by Inventor Tsuyoshi Matsuzawa

Tsuyoshi Matsuzawa 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).

  • Publication number: 20230415616
    Abstract: A slide device including: a fixed rail; a movable rail; a belt-shaped cover member including a coupling plate coupled to the movable rail at an end portion of the belt-shaped cover member, the belt-shaped cover member closing an opening groove of the fixed rail between a longitudinal end portion of the fixed rail and the movable rail; and a slide cover that covers a periphery of a side edge portion of the cover member, wherein the slide cover includes: an upper wall; a lower wall; and a rib disposed along a sliding direction of the movable rail and protruding in a direction toward the side edge portion of the cover member, on at least one of a surface of the upper wall facing the side edge portion of the cover member or a surface of the lower wall facing the side edge portion of the cover member.
    Type: Application
    Filed: June 19, 2023
    Publication date: December 28, 2023
    Inventors: Kenichi KATSUBE, Tsuyoshi MATSUZAWA, Shinya SAWA, Junichi NAKAYAMA
  • Publication number: 20230365028
    Abstract: A vehicle seat control device, includes: a memory; a processor connected to the memory; a reclining unit that tilts, along a seat front-rear direction relative to a seat cushion on which an occupant sits, a seatback that supports an upper body of the seated occupant sitting on the seat cushion; and a sliding unit that is provided at a seat width direction outer side of the seat cushion and that slides, along the seat front-rear direction, an armrest that supports an arm of the seated occupant, wherein the processor is configured to perform control to slide the armrest via the sliding unit while maintaining a preset positional relationship between the seatback and the armrest in conjunction with an operation whereby the seatback is tilted along the seat front-rear direction via the reclining unit.
    Type: Application
    Filed: May 4, 2023
    Publication date: November 16, 2023
    Inventors: Kenichi Katsube, Atsuo Matsumoto, Tsuyoshi Matsuzawa
  • Patent number: 11173810
    Abstract: A seat opening concealment structure is provided including a cover member that covers part of a vehicle seat, and that includes an outer wall including a curved face portion with a circular arc shaped cross-section profile, the outer wall being formed with an opening having an elongated profile along a peripheral direction of the curved face portion, and the outer wall being formed with a larger radius of curvature at an inner face of the curved face portion than a radius of curvature at an outer face of the curved face portion.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: November 16, 2021
    Assignee: NHK SPRING CO., LTD.
    Inventors: Tsuyoshi Matsuzawa, Kenichi Katsube, Daisuke Tanaka
  • Patent number: 11167675
    Abstract: A vehicle seat includes a seat framework configured including a first frame and a second frame that are capable of supporting an occupant, and a link including a first swing shaft via which the first frame is coupled to one end side of the link and a second swing shaft via which the second frame is coupled to another end side of the link; a first cover that is attached to a back face of the first frame on an opposite side from a front face configured to support the occupant, that covers a back face side of the first frame; and a second cover that is attached to a back face of the second frame on an opposite side from a front face configured to support the occupant, that covers a back face side of the second frame.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: November 9, 2021
    Assignee: NHK SPRING CO., LTD.
    Inventors: Tsuyoshi Matsuzawa, Kenichi Katsube, Daisuke Tanaka
  • Patent number: 11097641
    Abstract: There is provided a vehicle seat, including: a first support configuration section that includes a first cover; a second support configuration section that is disposed adjacent to the first support configuration section, and that includes a second cover; a double hinge that couples the first support configuration section and the second support configuration section together; an intermediate shutter that is disposed along a space between the first cover and the second cover; a first shutter that blocks a gap formed between the first cover and the intermediate shutter accompanying relative displacement between the first support configuration section and the second support configuration section; and a second shutter that blocks a gap formed between the second cover and the intermediate shutter accompanying relative displacement between the first support configuration section and the second support configuration section.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: August 24, 2021
    Assignee: NHK SPRING CO., LTD
    Inventors: Tsuyoshi Matsuzawa, Kenichi Katsube, Daisuke Tanaka
  • Publication number: 20200361352
    Abstract: There is provided a vehicle seat, including: a first support configuration section that includes a first cover; a second support configuration section that is disposed adjacent to the first support configuration section, and that includes a second cover; a double hinge that couples the first support configuration section and the second support configuration section together; an intermediate shutter that is disposed along a space between the first cover and the second cover; a first shutter that blocks a gap formed between the first cover and the intermediate shutter accompanying relative displacement between the first support configuration section and the second support configuration section; and a second shutter that blocks a gap formed between the second cover and the intermediate shutter accompanying relative displacement between the first support configuration section and the second support configuration section.
    Type: Application
    Filed: May 5, 2020
    Publication date: November 19, 2020
    Inventors: Tsuyoshi Matsuzawa, Kenichi Katsube, Daisuke Tanaka
  • Publication number: 20200353845
    Abstract: A seat opening concealment structure is provided including a cover member that covers part of a vehicle seat, and that includes an outer wall including a curved face portion with a circular arc shaped cross-section profile, the outer wall being formed with an opening having an elongated profile along a peripheral direction of the curved face portion, and the outer wall being formed with a larger radius of curvature at an inner face of the curved face portion than a radius of curvature at an outer face of the curved face portion.
    Type: Application
    Filed: April 29, 2020
    Publication date: November 12, 2020
    Inventors: Tsuyoshi Matsuzawa, Kenichi Katsube, Daisuke Tanaka
  • Publication number: 20200324674
    Abstract: A vehicle seat includes a seat framework configured including a first frame and a second frame that are capable of supporting an occupant, and a link including a first swing shaft via which the first frame is coupled to one end side of the link and a second swing shaft via which the second frame is coupled to another end side of the link; a first cover that is attached to a back face of the first frame on an opposite side from a front face configured to support the occupant, that covers a back face side of the first frame; and a second cover that is attached to a back face of the second frame on an opposite side from a front face configured to support the occupant, that covers a back face side of the second frame.
    Type: Application
    Filed: April 10, 2020
    Publication date: October 15, 2020
    Inventors: Tsuyoshi Matsuzawa, Kenichi Katsube, Daisuke Tanaka
  • Patent number: 9381828
    Abstract: A vehicle seat comprising a seat cushion having a seat cushion main body portion and seat cushion side portions that are disposed on both sides in a seat width direction of the seat cushion main body portion; a seat back having a seat back main body portion and seat back side portions that are disposed on both sides in the seat width direction of the seat back main body portion; and a varying mechanism supporting at least one of the seat cushion main body portion and the seat back main body portion, and varying the position of the seat cushion main body portion in a seat upward and downward direction relative to the seat cushion side portions, and/or varying the position of the seat back main body portion in a seat frontward and rearward direction relative to the seat back side portions.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: July 5, 2016
    Assignee: NHK SPRING CO., LTD.
    Inventors: Daisuke Tanaka, Tsuyoshi Matsuzawa, Hiroshi Kushiku
  • Publication number: 20150084390
    Abstract: A vehicle seat comprising a seat cushion having a seat cushion main body portion and seat cushion side portions that are disposed on both sides in a seat width direction of the seat cushion main body portion; a seat back having a seat back main body portion and seat back side portions that are disposed on both sides in the seat width direction of the seat back main body portion; and a varying mechanism supporting at least one of the seat cushion main body portion and the seat back main body portion, and varying the position of the seat cushion main body portion in a seat upward and downward direction relative to the seat cushion side portions, and/or varying the position of the seat back main body portion in a seat frontward and rearward direction relative to the seat back side portions.
    Type: Application
    Filed: September 24, 2014
    Publication date: March 26, 2015
    Inventors: Daisuke Tanaka, Tsuyoshi Matsuzawa, Hiroshi Kushiku