Patents by Inventor Isao Naniwa

Isao Naniwa 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).

  • Door hinge device for a repository
    Patent number: 4609234
    Abstract: A door hinge device comprises a door support member and a door mounting member. The door support member is provided with a tongue, and is attached to a refrigerator housing. The door mounting member is attached to a door, and is provided with a second coupling portion connected to the tongue. A shaft and a guide pin stand on the tongue, and each is loosely fitted with a cylindrical collar. The door mounting member is provided with a shaft fitting slot which extends along the depth of the refrigerator housing when the door is closed, and the shaft is fitted in the shaft fitting slot. A guide recess is formed at the rear portion of the second coupling portion to engage the guide pin.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: September 2, 1986
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Isao Naniwa, Kazuo Nishida, Kiyoshi Yoshihara