Patents by Inventor Tastuhiko Sakamoto

Tastuhiko Sakamoto 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: 6596358
    Abstract: The present invention is to provide a thermally sensitive recording type adhesive label possessing a thermally sensitive recording layer on a substrate, and an adhesive layer and a release paper on the reverse side of the substrate, wherein said substrate is a neutral paper containing a wet strength reinforcing agent and further containing 5-20 wt. % of a filler to the total weight of pulp.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: July 22, 2003
    Assignee: Nippon Paper Industries Co Ltd
    Inventors: Tastuhiko Sakamoto, Yoshihide Kimura, Naomi Sumikawa, Hidenori Ogawa