Patents by Inventor Naoko Furusawa

Naoko Furusawa 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).

  • Silver halide grain, silver halide emulsion and preparation method thereof
    Patent number: 5851750
    Abstract: A silver halide grain is disclosed, having one or more chemical sensitization clusters, and a largest size of the clusters being not less than 1.2 nm and less than 4.0 nm in diameter. A silver halide emulsion containing silver halide grains, as above-described and a preparation method are also disclosed.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: December 22, 1998
    Assignee: Konica Corporation
    Inventors: Naoko Furusawa, Masako Kuramoto, Kazuyoshi Ichikawa, Haruhiko Masutomi