Patents by Inventor Shigenari Ibaragi

Shigenari Ibaragi 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).

  • Method of making a plastic angle bracket
    Patent number: 6171540
    Abstract: An angle bracket having a base leg and a perpendicular leg and are connected by a plurality of reinforcing ribs is disclosed. The reinforcing ribs have a partially parabolic outer edge. The angle bracket may be assembled to a tool base to support a tool element in a spaced relationship. The angle bracket is manufactured by an injection molding process wherein high strength polymer resin and fiber reinforcing materials such as glass fiber or carbon fiber may be molded to form an angle bracket in a single molding step.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: January 9, 2001
    Assignee: Eagle Technology & Mfg., Inc.
    Inventor: Shigenari Ibaragi
  • Angle bracket fixture
    Patent number: D400081
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: October 27, 1998
    Assignee: Eagle Technology & Manufacturing, Inc.
    Inventor: Shigenari Ibaragi