Patents by Inventor Ushio Yokoyama

Ushio Yokoyama 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: 9126801
    Abstract: A bobbin includes a bobbin main body including flanges at both ends of a bobbin winder spindle for winding the bobbin thread and an outer flange attached to one of the flanges (a second flange) of the bobbin main body. A gap in which a thread end of the bobbin thread is housed is provided between the outer flange and the flange of the bobbin main body.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: September 8, 2015
    Assignee: JANOME SEWING MACHINE CO., LTD.
    Inventor: Ushio Yokoyama
  • Publication number: 20150232299
    Abstract: A bobbin includes a bobbin main body including flanges at both ends of a bobbin winder spindle for winding the bobbin thread and an outer flange attached to one of the flanges (a second flange) of the bobbin main body. A gap in which a thread end of the bobbin thread is housed is provided between the outer flange and the flange of the bobbin main body.
    Type: Application
    Filed: May 5, 2015
    Publication date: August 20, 2015
    Inventor: Ushio Yokoyama
  • Publication number: 20150167217
    Abstract: A presser device with a fabric guide including a presser foot mounted on a presser bar of a sewing machine; a fabric guide body provided parallel to the presser foot, a position of the fabric guide body being slidable and adjustable; a guide pin provided from a lateral portion of the presser foot in a direction orthogonal to a fabric feeding direction; the fabric guide body guiding an edge of a fabric, the guide pin being inserted through a guide hole of the fabric guide body; a guide pin pressing plate pivotally fitted to the fabric guide body. The guide pin pressing plate having a pushing-up portion that abuts against a needle plate and that exerts a pivoting force about a pivoting point, and a pressing hole through which the guide pin is inserted, the pressing hole applying pressing force to the guide pin.
    Type: Application
    Filed: October 30, 2014
    Publication date: June 18, 2015
    Applicant: JANOME SEWING MACHINE CO., LTD.
    Inventors: Ushio Yokoyama, Muneyuki Ishikawa, Chiyo Toyomi
  • Publication number: 20150055232
    Abstract: The invention provides a magnifier for a sewing machine that is mounted on a sewing machine main body and magnifies a view of a front end of a needle which is mounted on a needle bar front end that moves vertically and a vicinity of a cloth presser. The magnifier includes: a supporting arm part A, at one end of which a lens holding part 2 having a holding unit 4 that detachably holds a lens is provided, and at the other end of which a mounting part 3 for mounting the magnifier on the sewing machine main body is provided; and a lens main body B that is constituted by connected part 6 which is detachable to the lens holding part 2, and a lens part 5 which is formed continuously to the connected part 6.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 26, 2015
    Inventors: Ushio Yokoyama, Yosuke Ilzuka, Koji Maeda
  • Publication number: 20140346264
    Abstract: A bobbin includes a bobbin main body including flanges at both ends of a bobbin winder spindle for winding the bobbin thread and an outer flange attached to one of the flanges (a second flange) of the bobbin main body. A gap in which a thread end of the bobbin thread is housed is provided between the outer flange and the flange of the bobbin main body.
    Type: Application
    Filed: May 6, 2014
    Publication date: November 27, 2014
    Applicant: JANOME SEWING MACHINE Co., Ltd.
    Inventor: Ushio Yokoyama