Patents by Inventor Yuki Chayahara

Yuki Chayahara 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: 20240000199
    Abstract: Provided is a slider for a reverse opening-type slide fastener, which can reduce a catch when a lower slider of the reverse opening-type slide fastener starts to be pulled upward from its lower end position. The separable bottom end stop for a reverse opening-type slide fastener according to the present invention, in which left and right element rows (12) of left and right fastener stringers (10) can be opened from an upper end and a lower end, the slide fastener (100) comprising: a lower slider (30) for opening the left and right element rows (12) from the lower end, the lower slider (30) including a locking claw (40), which is elastically biased to a protruded position protruding into an element guide path (34) of the lower slider (30); an insert pin (50) connected to a lower end of one of the left and right element rows (12); and a box pin (60) connected to a lower end of the other of the left and right element rows (12).
    Type: Application
    Filed: October 28, 2020
    Publication date: January 4, 2024
    Inventor: Yuki CHAYAHARA
  • Patent number: 9763499
    Abstract: There is provided a slider for a slide fastener. The slider includes a slider body, an elastic body and a pull tab. The pull tab includes a shaft, a pull tab main body and a cam. The cam is configured to elastically deform the elastic body when the pull tab is laid down. The slider body includes an upper blade and a pair of pull tab attaching posts. The upper blade includes a recess portion and a crimping portion. The recess portion includes a pair of lateral recess portions and a center recess portion. The crimping portion protrudes from at least one of the lateral recess portions at a protruding location located at a center side relative to both front and rear ends of the center recess portion.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: September 19, 2017
    Assignee: YKK Corporation
    Inventors: Takanori Ozawa, Mingsi Wang, Yuki Chayahara, Keiichi Keyaki
  • Publication number: 20170071294
    Abstract: There is provided a slider for a slide fastener. The slider includes a slider body, an elastic body and a pull tab. The pull tab includes a shaft, a pull tab main body and a cam. The cam is configured to elastically deform the elastic body when the pull tab is laid down. The slider body includes an upper blade and a pair of pull tab attaching posts. The upper blade includes a recess portion and a crimping portion. The recess portion includes a pair of lateral recess portions and a center recess portion. The crimping portion protrudes from at least one of the lateral recess portions at a protruding location located at a center side relative to both front and rear ends of the center recess portion.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 16, 2017
    Applicant: YKK Corporation
    Inventors: Takanori Ozawa, Mingsi Wang, Yuki Chayahara, Keiichi Keyaki
  • Patent number: D721617
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: January 27, 2015
    Assignee: YKK Corporation
    Inventors: Takanori Ozawa, Mingsi Wang, Yuki Chayahara
  • Patent number: D778780
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: February 14, 2017
    Assignee: YKK Corporation
    Inventors: Mingsi Wang, Yuki Chayahara, Keiichi Keyaki, Takanori Ozawa
  • Patent number: D778781
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: February 14, 2017
    Assignee: YKK Corporation
    Inventors: Mingsi Wang, Yuki Chayahara, Keiichi Keyaki, Takanori Ozawa
  • Patent number: D803094
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: November 21, 2017
    Assignee: YKK Corporation
    Inventors: Keiichi Keyaki, Yuki Chayahara