Patents by Inventor Isao Nagatuska

Isao Nagatuska 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).

  • Control lever for earth moving machines
    Patent number: 6509839
    Abstract: A control lever for earth moving machines a plurality of control pushbuttons able to be connected to a plurality of devices of an earth moving machine and to be selectively activated between a condition of operation and a condition of non operation of the related device, and a plurality of visual indicators operatively connected each to one of the pushbuttons to visually indicate the condition of the related pushbutton. Said visual indicators are each constituted by a light source which is lighted when the related pushbutton is in the operating condition, and is turned off when the related pushbutton is in the non operating condition. The visual indicators are positioned in correspondence with a summit area of the lever, and have a mutual disposition similar to that of the respective pushbuttons to be easily associated visually to the related pushbutton.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: January 21, 2003
    Assignee: Komatsu Utility Europe S.p.A.
    Inventor: Isao Nagatuska
  • Control lever for earth moving machines
    Publication number: 20020140568
    Abstract: A control lever for earth moving machines a plurality of control pushbuttons able to be connected to a plurality of devices of an earth moving machine and to be selectively activated between a condition of operation and a condition of non operation of the related device, and a plurality of visual indicators operatively connected each to one of the pushbuttons to visually indicate the condition of the related pushbutton. Said visual indicators are each constituted by a light source which is lighted when the related pushbutton is in the operating condition, and is turned off when the related pushbutton is in the non operating condition. The visual indicators are positioned in correspondence with a summit area of the lever, and have a mutual disposition similar to that of the respective pushbuttons to be easily associated visually to the related pushbutton.
    Type: Application
    Filed: June 22, 2001
    Publication date: October 3, 2002
    Inventor: Isao Nagatuska