Patents by Inventor Seiiti Kubodera

Seiiti Kubodera 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).

  • Photographic photosensitive element and developing method thereof
    Patent number: 3936303
    Abstract: A silver halide photographic photosensitive element having a hydrophilic colloidal layer prepared by dispersing photographic additives in a fatty oil which is liquid at room temperature; which boils at temperatures higher than 250.degree.C under atmospheric pressure; which is soluble in water in a proportion of less than about 10% by weight at 25.degree.C; and which dissolves water in a proportion of less than about 5% by weight at 25.degree.C, and a developing method thereof.
    Type: Grant
    Filed: July 3, 1974
    Date of Patent: February 3, 1976
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keisuke Shiba, Seiiti Kubodera, Hideki Naito, Takeshi Hirose
  • Spectrally sensitized color photographic materials suitable for high temperature rapid development
    Patent number: 3930860
    Abstract: A light-sensitive silver halide material for the high temperature and rapid color development at least 30.degree.C, which light-sensitive silver halide material comprises at least one spectrally sensitized silver halide photographic emulsion layer, the emulsion layer containing at least one sensitizing dye having an halogen ion concentration increasing effect.
    Type: Grant
    Filed: January 2, 1974
    Date of Patent: January 6, 1976
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keisuke Shiba, Masanao Hinata, Seiiti Kubodera