Patents by Inventor Eiichi Imahashi

Eiichi Imahashi 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).

  • Guidance system for automated guided vehicle
    Patent number: 5814961
    Abstract: A guidance system for an automated guided vehicle which moves on a floor surface, comprises a running line composed of grooves of a predetermined length formed in the floor surface and arranged in a lengthwise direction to form a single array, and an operation control code composed of a combination of a plurality of grooves selected from groups having different lengths formed in the floor surface on the running line or in the proximity of the running line.
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: September 29, 1998
    Assignee: NEC Corporation
    Inventor: Eiichi Imahashi