Patents by Inventor Seiichiro Yonezawa

Seiichiro Yonezawa 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).

  • Patent number: 11844436
    Abstract: A cover-material fixing clip includes: a chuck having a base portion, a first holding piece and a second holding piece; a hook configured to be engaged with a wire to be located in a groove of a cushion material; and an engagement opening defined between the chuck and a leading end of the hook. The base portion, the first holding piece and the second holding piece define a retention groove for holding the held body attached to the cover material. The engagement opening has an opening dimension in a range from 50% to 80% of a width of the retention groove.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: December 19, 2023
    Assignee: YKK Corporation
    Inventors: Madoka Nanbu, Wanli Zhang, Kenji Dono, Seiichiro Yonezawa, Genta Matsumura, Tetsuya Yoshino, Tsutomu Yamada
  • Patent number: 11772533
    Abstract: A clip for securing a cover to a base can include a chuck defining a suspender retention cavity, the suspender retention cavity sized and configured to receive a suspender attached to the cover; a first leg extending from the chuck and including a first barb, the first barb extending outward with respect to a centerline axis of the clip; and a second leg extending from the chuck and including a second barb, the second barb extending outward with respect to the centerline axis of the clip; wherein a total leg offset distance measured in an X-axis direction of the clip between a centerline of the barb of the first leg and a centerline of the barb of the second leg is equal to or less than a secondary width of either of the barb of the first leg and the barb of the second leg in the X-axis direction.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: October 3, 2023
    Inventors: Seiichiro Yonezawa, Eric Chew, Satoshi Nakada
  • Publication number: 20230264615
    Abstract: A clip for securing a cover to a base can include a chuck defining a suspender retention cavity, the suspender retention cavity sized and configured to receive a suspender attached to the cover; a first leg extending from the chuck and including a first barb, the first barb extending outward with respect to a centerline axis of the clip; and a second leg extending from the chuck and including a second barb, the second barb extending outward with respect to the centerline axis of the clip; wherein a total leg offset distance measured in an X-axis direction of the clip between a centerline of the barb of the first leg and a centerline of the barb of the second leg is equal to or less than a secondary width of either of the barb of the first leg and the barb of the second leg in the X-axis direction.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 24, 2023
    Inventors: Seiichiro Yonezawa, Eric Chew, Satoshi Nakada
  • Publication number: 20210362381
    Abstract: There is provided a manufacturing method of a cover material fastening member including a clip locking member. The clip locking member is integrally provided at an end edge portion of a strip shaped member. The manufacturing method of the cover material fastening member includes: a molding step of filling a resin for forming the clip locking member in a cavity formed on a surface of each of a pair of rolls in rotation; and a press-bonding step of passing the strip shaped member between the pair of rolls in accordance with rotation of the pair of rolls, pressing the resin by the pair of rolls, and continuously press-bonding the clip locking member to two surfaces of the strip shaped member.
    Type: Application
    Filed: May 18, 2021
    Publication date: November 25, 2021
    Inventors: Wanli Zhang, Hikaru Okuyama, Atsushi Nakaya, Seiichiro Yonezawa
  • Publication number: 20210137279
    Abstract: A cover-material fixing clip includes: a chuck having a base portion, a first holding piece and a second holding piece; a hook configured to be engaged with a wire to be located in a groove of a cushion material; and an engagement opening defined between the chuck and a leading end of the hook. The base portion, the first holding piece and the second holding piece define a retention groove for holding the held body attached to the cover material. The engagement opening has an opening dimension in a range from 50% to 80% of a width of the retention groove.
    Type: Application
    Filed: December 13, 2019
    Publication date: May 13, 2021
    Inventors: Madoka Nanbu, Wanli Zhang, Kenji Dono, Seiichiro Yonezawa, Genta Matsumura, Tetsuya Yoshino, Tsutomu Yamada