Patents by Inventor Kohno Junichi

Kohno Junichi 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-developing photographic material
    Patent number: 5064753
    Abstract: The present invention relates to a heat-developable light-sensitive material, or a light-sensitive material that produces image by development through dry heat treatment. The present invention provides a heat-developable light-sensitive material that achieves high sensitivity while experiencing a reduced degree of thermal fogging by employing core/shell type silver halide grains that contain 4-40 mol % of silver iodide and which have a lower silver iodide content in the surface layer than in the internal phase.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: November 12, 1991
    Assignee: Konica Corporation
    Inventors: Goto Sohei, Okauchi Ken, Kohno Junichi, Iwagaki Masaru