Patents by Inventor Yoshimasa Nonaka

Yoshimasa Nonaka 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).

  • Patent number: 4647134
    Abstract: A specialized contact structure is provided for IC sockets to permit increases contact pressure and to permit contact with an IC lead at its base instead of at its tip. The socket includes a substrate with the subject contacts embedded therein in rows, an overlying lever-actuated plate having corresponding rows of apertures, with the apertures corresponding to IC lead positions. In operation, the IC leads are inserted into the apertures in the lever-actuated plate and the plate with the inserted leads is moved laterally, such that the leads are moved laterally into contact with the mating contact arms of the contacts mounted in the substrate.
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: March 3, 1987
    Assignee: Augat Inc.
    Inventor: Yoshimasa Nonaka
  • Patent number: 4082397
    Abstract: A hermaphrodite housing assembly containing a plurality of positions for supporting a plurality of electrical connectors, secured captively in respective halves of the assembly for mating contacts positioned in opposite portions of the assembly.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: April 4, 1978
    Assignee: Kabushiki Kaisha Elco International
    Inventors: Michiaki Tanaka, Yoshimasa Nonaka