Patents by Inventor Yoshifusa Kohno

Yoshifusa Kohno 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).

  • Bearing usable for scissors and scissors using the same
    Patent number: 5628116
    Abstract: There is disclosed a bearing (4) usable for scissors, including a disk-shaped holding plate (44) and a plurality of steel balls (4). The holding plate (44) is provided with a plurality of steel ball holding apertures (41) for rotatably holding the steel balls (40) under a condition where the spherical surface of each steel ball (40) is projected beyond either side of the holding plate (44); and, at a peripheral edge portion of each steel ball holding aperture (41), and at an outer peripheral edge portion of the holding plate (44), foreign material blocking barriers (42, 43) are respectively formed taken along the entire peripheral edge portions so as to each have a height lower than the height of the projecting portion of each steel ball (40).
    Type: Grant
    Filed: April 4, 1995
    Date of Patent: May 13, 1997
    Assignee: Kabushiki Kaisha Naruto
    Inventor: Yoshifusa Kohno