Patents by Inventor Masamichi Itabashi

Masamichi Itabashi 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).

  • Radiographic intensifying screen
    Patent number: 6232611
    Abstract: A radiographic intensifying screen having at least a fluorescent layer and a protective layer on a support, wherein the protective layer has a multi-layer structure comprising at least one layer of an organic macromolecule film and a film-forming resin layer provided on the surface of the organic macromolecule film at least on the side which is not in contact with the fluorescent layer, and the resin of the film-forming resin layer is different from the resin of the organic macromolecule film.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: May 15, 2001
    Assignees: Fuji Photo Film Co., Ltd., Kasei Optonix, Ltd.
    Inventors: Yujiro Suzuki, Yuji Aoki, Akio Umemoto, Masamichi Itabashi
  • Radiographic intensifying screen
    Patent number: 5475229
    Abstract: An improvement of a radiographic intensifying screen comprises a support, a phosphor layer and a protective layer in order resides in the protective layer which is formed on the phosphor layer by coating a fluoro-resin on the phosphor layer to give a coated layer having a thickness of less than 5 .mu.m.
    Type: Grant
    Filed: August 25, 1994
    Date of Patent: December 12, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masamichi Itabashi, Yuichi Hosoi, Terumi Matsuda
  • Method for forming an image
    Patent number: 4874687
    Abstract: A method for forming an image comprising the steps of:(a) imagewise exposing a light-sensitive silver halide photographic material comprising a support having provided on at least one surface thereof a light-sensitive silver halide emulsion, at least one of an active halogen hardening agent and a bisvinylsulfone hardening agent, and a slightly water-soluble basic metallic compound; and(b) developing said exposed material with a developer solution containing a compound capable of reacting with said basic metallic compound to release a base.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: October 17, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Masamichi Itabashi