Patents by Inventor Hirotsugu Kenmotsu

Hirotsugu Kenmotsu 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).

  • Method of processing a silver halide color reversal photographic light-sensitive material
    Patent number: 5372918
    Abstract: A method of processing a silver halide color reversal photographic light-sensitive material, in which the photographic light-sensitive material is developed, the method comprising a step of processing the photographic light-sensitive material in a reversal bath containing at least one anionic surface active agent. A method of treating a silver halide color reversal photographic light-sensitive material, in which the photographic light-sensitive material is developed, the method comprising a step of processing the photographic light-sensitive material in a reversal bath containing at least one nonionic surface active agent.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: December 13, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideo Usui, Yasuo Mukunoki, Hirotsugu Kenmotsu
  • Method of processing a silver halide color reversal photographic light-sensitive material
    Patent number: H1015
    Abstract: A method of processing a silver halide color reversal photographic light-sensitive material, in which the photographic light-sensitive material is developed, the method comprising a step of processing the photographic light-sensitive material in a reversal bath containing at least one anionic surface active agent. A method of treating a silver halide color reversal photographic light-sensitive material, in which the photographic light-sensitive material is developed, the method comprising a step of processing the photographic light-sensitive material in a reversal bath containing at least one nonionic surface active agent.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: January 7, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideo Usui, Yasuo Nukunoki, Hirotsugu Kenmotsu