Patents by Inventor Hideo Ohye

Hideo Ohye 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).

  • Color-forming sheet for no-carbon copying paper
    Patent number: 4418941
    Abstract: In a color-forming sheet for no-carbon copying paper applied with a coating color basically composed of color former-containing microcapsules, a capsule protective agent and an adhesive, the edge padding aptitude of no-carbon copying papers could be improved by containing in said coating color a surface active agent in an amount of 0.1 to 4% by weight based on the microcapsules.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: December 6, 1983
    Assignee: Mitsubishi Paper Mills, Ltd.
    Inventors: Mitsuru Fuchigami, Mamoru Ishiguro, Hideo Ohye
  • Color-developing sheet for no-carbon copying process
    Patent number: 4296948
    Abstract: A color-developing sheet for use in no-carbon copying system, which contains a layer of a combination of a solid acid with an acidic polymer is improved in preventing yellowing during the preservation thereof, in giving high color intensity and stability to image formed, by incorporating titanium dioxide into the layer.
    Type: Grant
    Filed: November 28, 1979
    Date of Patent: October 27, 1981
    Assignee: Mitsubishi Paper Mills, Ltd.
    Inventors: Tsutomu Satoh, Hideo Ohye, Hirokazu Tsukahara, Hideaki Senoh, Takahiro Torii