Patents by Inventor Yasuhiko Oiri

Yasuhiko Oiri 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).

  • Reversible image-forming material
    Patent number: 4762818
    Abstract: Reversible image-forming materials on which images are formed by a thermal head and conversely the formed images are erasable by water or moisture are obtained by providing, on one surface of a support, a recording layer comprising a specific fluorane type color former, a color developer and a binder and further providing an overcoat layer on the recording layer. By providing further a sticking prevention layer on the overcoat layer, sticking can be prevented and high speed printing is enabled.
    Type: Grant
    Filed: May 6, 1986
    Date of Patent: August 9, 1988
    Assignees: Mitsubishi Paper Mills, Ltd., Nippon Hoso Kyokai
    Inventors: Mikiya Sekine, Toshihiko Matsushita, Sadao Morishita, Yasuhiko Oiri
  • Reversible image-forming material
    Patent number: 4628337
    Abstract: Reversible image-forming materials on which images are formed by a thermal head and conversely the formed images are erasable by water or moisture are obtained by providing, on one surface of a support, a recording layer comprising a specific fluorane type color former, a color developer and a binder and further providing an overcoat layer on the recording layer. By providing further a sticking prevention layer on the overcoat layer, sticking can be prevented and high speed printing is enabled.
    Type: Grant
    Filed: March 14, 1985
    Date of Patent: December 9, 1986
    Assignees: Mitsubishi Paper Mills, Ltd., Nippon Hoso Kyo Kai
    Inventors: Mikiya Sekine, Toshihiko Matsushita, Sadao Morishita, Yasuhiko Oiri
  • Thermal recording method
    Patent number: 4330785
    Abstract: This invention relates to a thermosensitive recording system whereby recording is performed by thermal means, more specifically a thermal recording method which is capable of transmitting or recording concavo-convex stereo information by using in combination a thermosensitive stereo recording material principally composed of thermo-expandable microspheres and a thermorecording medium having a thermoplastic ink coating layer.
    Type: Grant
    Filed: February 18, 1981
    Date of Patent: May 18, 1982
    Assignees: Mitsubishi Paper Mills, Ltd., Nippon Hoso Kyokai
    Inventors: Kenji Yabuta, Senji Tosa, Yasuhiko Oiri, Chihaya Tanaka