Patents by Inventor Dotaru Usui

Dotaru Usui 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).

  • Waterproof terminal block unit with insulating plate
    Patent number: 7387530
    Abstract: A terminal table unit includes: a terminal table (10) having a metal terminal (12) at its lower surface for connecting a lead wire (60); an insulation plate (20) adhered to the lower surface of the terminal table and having a hole (20-1) at a portion corresponding to the portion containing a metal terminal and its surrounding region; and a metal plate (30) having an upper surface adhered to the lower surface of the insulation plate and having a through hole (30-2) reaching from the upper surface to the lower surface. Through the through hole (30-2), the lead wire is brought out to the lower surface of the metal plate. The terminal unit has a contact surface between the insulation plate containing the hole (20-1) and the terminal table, a contact surface between the insulation plate and the metal plate, and the through hole (30-2) which are filled with adhesive and unified by a bolt (40).
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: June 17, 2008
    Assignee: Sumitomo Heavy Industries, Ltd.
    Inventors: Daisuke Shinohira, Dotaru Usui, Hidehiko Mori, Yasushi Koyanagawa
  • Waterproof terminal block unit
    Publication number: 20070155200
    Abstract: A terminal table unit includes: a terminal table (10) having a metal terminal (12) at its lower surface for connecting a lead wire (60); an insulation plate (20) adhered to the lower surface of the terminal table and having a hole (20-1) at a portion corresponding to the portion containing a metal terminal and its surrounding region; and a metal plate (30) having an upper surface adhered to the lower surface of the insulation plate and having a through hole (30-2) reaching from the upper surface to the lower surface. Through the through hole (30-2), the lead wire is brought out to the lower surface of the metal plate. The terminal unit has a contact surface between the insulation plate containing the hole (20-1) and the terminal table, a contact surface between the insulation plate and the metal plate, and the through hole (30-2) which are filled with adhesive and unified by a bolt (40).
    Type: Application
    Filed: October 15, 2004
    Publication date: July 5, 2007
    Inventors: Daisuke Shinohira, Dotaru Usui, Hidehiko Mori, Yasushi Koyanagawa