Patents by Inventor Yoshiyuki Shiga

Yoshiyuki Shiga 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: 6446797
    Abstract: A blade case having a holding means, a bottom wall, a side wall, and a cover means. The holding means and the cover means are connected to each other by a hinge for opening and closing the blade case. A removable blade support means is provided on the center portion of a top surface of the bottom wall of the holding means. A blade pressing down means is provided on the cover means and presses down the blade placed on the blade supporting portion when the blade case is closed. Non-circular protrusions and depressions can also be located on the outside of the blade case to facilitate stacking.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: September 10, 2002
    Assignee: Disco Corporation
    Inventor: Yoshiyuki Shiga
  • Publication number: 20020029986
    Abstract: A blade case comprising a holding means having a bottom wall and a side wall formed upright from the outer periphery of the bottom wall and a cover means having a top wall and a side wall extending downward from the outer periphery of the top wall, the holding means and the cover means being connected to each other by a hinge to open or close the blade case, comprising
    Type: Application
    Filed: September 13, 2001
    Publication date: March 14, 2002
    Inventor: Yoshiyuki Shiga
  • Patent number: 6318355
    Abstract: A case for storing a grinding wheel which comprises an annular support member and a grinding means provided on the lower end face of the support member. The case includes a first case member and a second case member, the first case member and the second case member are connected to each other by a hinge member in such a manner that they can pivote relative to each other and selectively set to a close state for defining a closed storage space and to an open state for opening the storage space. A receiving means is provided on the first case member and a restricting means is provided on the second case member. The support member is held between the receiving means and the restricting means, and the grinding wheel is stored in the storage space, without allowing the first case member and the second case member to contact with the grinding means.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: November 20, 2001
    Assignee: Disco Corporation
    Inventor: Yoshiyuki Shiga
  • Publication number: 20010002360
    Abstract: A case for storing a grinding wheel which comprises an annular support member and a grinding means provided on the lower end face of the support member. The case includes a first case member and a second case member, the first case member and the second case member are connected to each other by a hinge member in such a manner that they can pivote relative to each other and selectively set to a close state for defining a closed storage space and to an open state for opening the storage space. A receiving means is provided on the first case member and a restricting means is provided on the second case member. The support member is held between the receiving means and the restricting means, and the grinding wheel is stored in the storage space, without allowing the first case member and the second case member to contact with the grinding means.
    Type: Application
    Filed: November 29, 2000
    Publication date: May 31, 2001
    Inventor: Yoshiyuki Shiga