Patents by Inventor Junkiti Ogawa

Junkiti Ogawa 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).

  • Process for processing color photographic material
    Patent number: 4124391
    Abstract: A process for processing color photographic materials, which involves color development processing an image wise exposed silver halide color light-sensitive material with a color developer, in which the color developer contains an aromatic primary amine developing agent and at least one monosaccharide selected from the group consisting of a pentose, a methylpentose and a hexose.
    Type: Grant
    Filed: February 15, 1977
    Date of Patent: November 7, 1978
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Junkiti Ogawa, Isao Shimamura
  • Process for color photographic processing
    Patent number: 4083723
    Abstract: A process for color photographic processing, which comprises subjecting an exposed silver halide color light-sensitive material to a color development using a color developer containing(1) an aromatic primary amine developing agent and(2) at least one organic compound having at least one phosphono group and at least one carboxy group in the molecule.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: April 11, 1978
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Isao Shimamura, Junkiti Ogawa
  • Process for color photographic processing
    Patent number: RE30064
    Abstract: A process for color photographic processing, which comprises subjecting an exposed silver halide color light-sensitive material to a color development using a color developer containing(1) an aromatic primary amine developing agent and(2) at least one organic compound having at least one phosphono group and at least one carboxy group in the molecule.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: August 7, 1979
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Isao Shimamura, Junkiti Ogawa