Patents by Inventor Yukio Hagashihara

Yukio Hagashihara 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).

  • Filter element-removing jig
    Patent number: 7132048
    Abstract: The object is to provide a filter element extracting jig which facilitates the extracting operation of a filter element from a housing of a filter device and prevents its contamination. A filter element extracting jig is formed from an elastic plate and comprising a supporting portion, a spring portion extending at an acute angle with the supporting portion, a hook portion extending toward the supporting portion, and an operating portion extending from the hook portion at substantially right angles, which are constructed by bending at bent portions substantially parallel to each other in that order.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: November 7, 2006
    Assignee: Entegris, Inc.
    Inventor: Yukio Hagashihara
  • Filter element-removing jig
    Publication number: 20060011534
    Abstract: The object is to provide a filter element extracting jig which facilitates the extracting operation of a filter element from a housing of a filter device and prevents its contamination. A filter element extracting jig is formed from an elastic plate and comprising a supporting portion, a spring portion extending at an acute angle with the supporting portion, a hook portion extending toward the supporting portion, and an operating portion extending from the hook portion at substantially right angles, which are constructed by bending at bent portions substantially parallel to each other in that order.
    Type: Application
    Filed: April 27, 2004
    Publication date: January 19, 2006
    Inventor: Yukio Hagashihara