Patents by Inventor Akira Ogiwara

Akira Ogiwara 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 apparatus
    Patent number: 4874316
    Abstract: A connector apparatus having a connector socket and a connector plug arranged such that respective contacts of the connector socket and connector plug are kept in contact with each other by magnetic force, whereby when unintentional tension is applied to a cord, the cord can be prevented from being broken and the connector socket and the connector plug can be easily coupled to and/or removed from each other.
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: October 17, 1989
    Assignee: Sony Corporation
    Inventors: Yoshiyuki Kamon, Akira Ogiwara, Koji Nageno