Patents by Inventor Yasuko Komatsu

Yasuko Komatsu 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).

  • Heat-sensitive recording material and process for the production thereof
    Patent number: 5804529
    Abstract: Disclosed is a heat-sensitive recording material in which a heat-sensitive recording layer which thermally forms a color is directly or indirectly formed on a substrate, the heat-sensitive recording layer being present between two oxygen-barrier layers each of which has a basis weight of 2 to 20 g/m.sup.2, the oxygen-barrier layers being formed of a polymer substance having an oxygen permeability constant of 0.5.times.10.sup.-10 cm.sup.3 .multidot.cm/cm.sup.2 .multidot.sec.multidot.cmHg or less. The heat-sensitive recording has excellent light resistance in non-printed portion thereof.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: September 8, 1998
    Assignee: Mitsubishi Paper Mills Ltd.
    Inventor: Yasuko Komatsu