Patents by Inventor Taku Haruuchi

Taku Haruuchi 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: 4910125
    Abstract: A method of processing an exposed silver halide color photographic material is described, comprising the steps of:(1) color developing the material, and then(2) bleaching or bleach-fixing the material using a processing solution, wherein the processing solution has a bleaching capability and contains at least ferric complex salt of an organic chelating compound represented by formula (X): ##STR1## wherein Y represents ##STR2## l, m and n each represents an integer of from 1 to 3 which may be the same or different; and r represents a hydrogen atom or a substituted or unsubstituted alkyl group having from 1 to 4 carbon atoms.
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: March 20, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Taku Haruuchi, Shinji Ueda