Patents by Inventor Shozi Nakashima

Shozi Nakashima 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: 4255516
    Abstract: A photographic support of a composite polyester film in which additives and oligomers can be incorporated in the support without exerting any undesirable effects upon photographic characteristics, which film is constructed by an inner layer of polyester containing volatile diffusible substances or exudative substances, and a covering layer of another sort of polyester, with which both sides of the inner layer are covered, not containing the above-described substances judging from practical viewpoint and that, having a glass transition point equal to or higher than that of the inner layer, and which film is orientated along at least one prescribed axis.
    Type: Grant
    Filed: April 18, 1980
    Date of Patent: March 10, 1981
    Assignees: Fuji Photo Film Co., Ltd., Toray Industries, Inc.
    Inventors: Kazunobu Katoh, Saburo Fujita, Toshihiro Otaki, Shozi Nakashima