Patents by Inventor Yuji Egami

Yuji Egami 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).

  • AIR BYPASS VALVE
    Publication number: 20170145910
    Abstract: In order to prevent deterioration of sliding performance of a piston and center core misalignment of the piston when the piston moves for its stroke, there is provided an air bypass valve including: a coil casing in which a coil is accommodated; a pilot valve section covered by the coil casing and having a movable iron core inserted in the coil; and a piston section fitted in the coil casing and having a piston with a hole. The air bypass valve further includes a protrusion provided at an edge of an opening portion of the piston casing which constitutes the piston section.
    Type: Application
    Filed: November 23, 2015
    Publication date: May 25, 2017
    Inventors: YUJI EGAMI, TOKUSHI YASODA
  • Air bypass valve
    Patent number: 9650947
    Abstract: In order to prevent deterioration of sliding performance of a piston and center core misalignment of the piston when the piston moves for its stroke, there is provided an air bypass valve including: a coil casing in which a coil is accommodated; a pilot valve section covered by the coil casing and having a movable iron core inserted in the coil; and a piston section fitted in the coil casing and having a piston with a hole. The air bypass valve further includes a protrusion provided at an edge of an opening portion of the piston casing which constitutes the piston section.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: May 16, 2017
    Assignee: Nachi-Fujikoshi Corp.
    Inventors: Yuji Egami, Tokushi Yasoda