Patents by Inventor Tamotsu Sugama

Tamotsu Sugama 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).

  • Packaging material
    Publication number: 20060051572
    Abstract: The present invention provides a packaging material comprising a laminate having at least a sealant layer 30 laminated on a substrate film layer 10 via an adhesive layer, characterized in that the adhesive layer contains a colorant. The packaging material can be produced in relatively simple production steps at a low cost without using a metal film such as aluminum foil, and exhibits sufficient shading properties.
    Type: Application
    Filed: December 12, 2003
    Publication date: March 9, 2006
    Inventors: Satoshi Suzuki, Takanori Maruyama, Tamotsu Sugama