Patents by Inventor Taizou Hisada

Taizou Hisada 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).

  • Apparatus for checking the connection between male and female connector housings by forming a detecting circuit when the connection is proper
    Patent number: 5179343
    Abstract: An apparatus, accommodated in a connector, for checking whether or not a pair of connector housings of the connector has been engagedly connected with each other comprising a conductive section, made of a conductive material, provided in one of the connector housings; and a pair of detecting terminals provided in the other connector housing. When the pair of the connector housings contact with each other, the pair of the detecting terminals contact the conductive section.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: January 12, 1993
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Masamitsu Chishima, Taizou Hisada