Patents by Inventor Takao Yokote

Takao Yokote 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).

  • Authenticatable printed matter and its production method
    Patent number: 7354072
    Abstract: In authenticity determinable printed matter according to this invention, a background image portion and at least one message image portion are printed on a surface of a base member. The background image portion has a first line drawing which is arrayed in a first direction and printed by an ink with a specular gloss to have an ink layer thickness. The message image portion has a second line drawing which is arrayed in a second direction and printed by the ink with the specular gloss to have the ink layer thickness.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: April 8, 2008
    Assignee: National Printing Bureau, Incorporated Administrative Agency
    Inventors: Takao Yokote, Kazuo Itoh, Kazuhiko Shimada
  • Authenticatable printed matter and its production method
    Publication number: 20040195823
    Abstract: In authenticity determinable printed matter according to this invention, a background image portion and at least one message image portion are printed on a surface of a base member. The background image portion has a first line drawing which is arrayed in a first direction and printed by an ink with a specular gloss to have an ink layer thickness. The message image portion has a second line drawing which is arrayed in a second direction and printed by the ink with the specular gloss to have the ink layer thickness.
    Type: Application
    Filed: February 5, 2004
    Publication date: October 7, 2004
    Inventors: Takao Yokote, Kazuo Itoh, Kazuhiko Shimada