Patents by Inventor Ito Tadashi

Ito Tadashi 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).

  • Radiological image forming method
    Patent number: 5482813
    Abstract: A method for forming a radiological image using a silver halide photographic material comprising a transparent support having at least one silver halide emulsion layer on one side thereof and a backing layer on the opposite side to the silver halide emulsion layer, and a radiographic intensifying screen, wherein the radiographic intensifying screen has such characteristics that the absorbed dose is at least 25% of X-rays having an X-ray energy of 80 KVp, and the contrast transfer function (CTF) is at least 0.79 at a spatial frequency of 1 line/mm and at least 0.36 at a spatial frequency of 3 lines/mm.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: January 9, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Ito Tadashi