Patents by Inventor Jun Takeyama

Jun Takeyama 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).

  • Connector inspecting apparatus having size regulating member for retainer test fitting probes external to the connetor for retainer integrity detection
    Patent number: 5467023
    Abstract: The present invention provides a connector inspecting apparatus (D1, D2, D3, D4) for inspecting a connector having a retainer (R1, R2, R3, R4) for positioning and fixing a plurality of terminal metal fittings to predetermined positions in a housing (H1, H2, H3, H4). A receiving portion (40) for receiving the housing (H1, H2, H3, H4) of the connector (C1, C2, C3, C4) has a size regulating member (60) adapted to come in contact with the retainer (R1, R2, R3, R4) for positioning the housing (H1, H2, H3, H4) at the time of inspection.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: November 14, 1995
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Jun Takeyama
  • Shaft assembly and manufacturing process thereof
    Patent number: 4671696
    Abstract: A shaft assembly comprises a shaft having at least one small diameter portion located on the way in the axial direction thereof, and at least one member mounted to the outer periphery of the small diameter portion of the shaft rotatably and/or movably in the axial direction. The shaft assembly is produced by first forming the member on a large diameter portion of the shaft and then moving the member from the large diameter portion to the small diameter portion. The member moved to the small diameter portion is mounted to the small diameter portion rotatably and/or movably in the axial direction by the shrinkage thereof.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: June 9, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Tadashi Suzuki, Hideo Koizumi, Jun Takeyama, Kunitsugu Tsukui