Patents by Inventor Rei Takeuchi

Rei Takeuchi 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).

  • Scratch card
    Publication number: 20030104174
    Abstract: A scratch card is provided comprising a substrate, a layer containing information to be concealed, a slipping layer and a concealing layer, laminated in this order, wherein said concealing layer essentially composed of concealing pigment and a binder. With this composition, easy removal by nails and coins is possible, while the removal does not generate latex dust.
    Type: Application
    Filed: January 31, 2002
    Publication date: June 5, 2003
    Inventors: Tetsuyuki Itakura, Rei Takeuchi, Hiroshi Yagi