Patents by Inventor Hidenobu Ohya

Hidenobu Ohya 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).

  • Thermally developable light-sensitive material
    Patent number: 4847188
    Abstract: A thermally developable light-sensitive material having at least a light-sensitive silver halide, a reducing agent, a binder and a dye-providing material on a support is disclosed. The dye-providing material is a compound that releases or forms a diffusible dye as a function of development and which has a group capable of reacting with the nucleophilic agent.
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: July 11, 1989
    Assignee: Konica Corporation
    Inventors: Tawara Komamura, Hidenobu Ohya
  • Heat-developable color photo-sensitive material
    Patent number: 4650748
    Abstract: A heat-developable color photo-sensitive material having a support. On the support, there is a photographic component layer containing at least a photo-sensitive silver halide, a reducing agent, a binder and a dye-providing material. At least one of the dye-providing materials in the photo-sensitive material is a polymer having a unit derived from a monomer represented by Formula I.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: March 17, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Tawara Komamura, Hidenobu Ohya