Patents by Inventor Noriya Ueda

Noriya Ueda 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).

  • Manufacturing method of filter element
    Patent number: 6511623
    Abstract: A manufacturing method for a filter element having a filter portion and a flange portion formed along an outer periphery of the filter portion to protrude outwardly. First, a corrugated intermediate product having plural ridges of the filter element is formed by folding. Next, the flange portion is formed integrally with the filter portion by pressing an outer peripheral portion of the intermediate product at a high temperature. While the flange portion is formed, each of sides of the intermediate product extending in parallel with the ridges is restricted to a position corresponding to a shape of the filter element by plural forming jigs. Therefore, sides of the flange portion extending in parallel with the ridges are formed simultaneously when the flange portion is formed and do not need to be trimmed after forming. As a result, a material of the filter element is less wasted.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: January 28, 2003
    Assignee: Denso Corporation
    Inventors: Noriya Ueda, Ikuo Mochizuki