Patents by Inventor Masao Sakaki

Masao Sakaki 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: 4910127
    Abstract: A silver halide color photographic light-sensitive material is disclosed, which has excellent rapid processability and is remarkably improved in spectral absorption characteristics and fastness against light of magnet images. The photographic material comprising a support bearing at least one silver halide emulsion layer thereon, and the silver halide emulsion layer containssilver halide grains each containing silver chloride in an amount of not less than 80 mol %, andat least one couplers selected from the group consisting of the couplers represented by the following General Formulas (a), (b) and (c), respectively, or a polymer coupler comprising said coupler, and an anti-discoloring agent, each dispersed in the silver halide emulsion layer by making use of a high boiling organic solvent, provided that a proportion of said high boiling organic solvent to said coupler is not less than 0.6 by weight.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: March 20, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sakaki, Kaoru Onodera