Patents by Inventor Fujitsugu Suzuki

Fujitsugu Suzuki 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 light-sensitive material
    Patent number: 4904580
    Abstract: A direct positive silver halide photographic light sensitive material including a support having thereon at least one silver halide emulsion layer containing internal latent image silver halide grains, each of the grains comprising a core/shell structured particle comprising a core, at least one intermediate layer, and an outermost layer formed thereon. The outermost layer consists essentially of silver chloride which accounts for no more than 10 mol % of the silver halide in the internal latent image silver halide grain. Such photographic materials display an increased sensitivity while maintaining an adequate image density.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: February 27, 1990
    Assignee: Konishiroku Photo Industry Co., Ind.
    Inventors: Hajime Komatsu, Susumu Ohkawachi, Fujitsugu Suzuki