Patents by Inventor Masanobu Miyoshi

Masanobu Miyoshi 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 photographic emulsion
    Patent number: 4507386
    Abstract: A silver halide photographic emulsion containing a coupler for photography, comprising silver halide particles in said emulsion consisting essentially of 2 mole % or less of silver iodide, 50 to 97 mole % of silver bromide and 1 to 50 mole % of silver chloride, and said particles are core/shell type silver halide particles containing a higher content of said 50 to 97 mole % silver bromide in the surface layers of said particles than in the inner portions thereof, the surface layer of said particles containing 70 to 100 mole % of silver bromide and the inner portion containing 40 to 70 mole % of silver bromide.
    Type: Grant
    Filed: September 7, 1983
    Date of Patent: March 26, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Syoji Matsuzaka, Makoto Kajiwara, Masanobu Miyoshi, Kiyoshi Yamashita