Patents by Inventor Hirokazu Idetsuki

Hirokazu Idetsuki 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).

  • Patent number: 6047809
    Abstract: Method of displaying information material on a moving sidewalk or an escalator is disclosed. A handrail (2) is covered with a transparent plastic sheet(7), and a material (10) carrying information is inserted between the transparent plastic sheet and a top surface of the handrail so that the information can easily be replaced and displayed through the transparent plastic sheet. The transparent plastic sheet may be fastened to the handrail at a bottom end thereof by either a fastener (8,9) provided at the bottom end or by making a thickness larger at a bottom part (11) of the transparent plastic sheet, than that of other part of the transparent plastic sheet. The mater is carrying information may be glued to the handrail by adhesive having a character that no gluing marks are left after a removal of the material from the handrail.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: April 11, 2000
    Inventor: Hirokazu Idetsuki