Patents by Inventor Toshie Yokosuka

Toshie Yokosuka 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).

  • Masking material
    Patent number: 5151336
    Abstract: A masking material with a semiopaque layer containing a coloring agent, characterized in that the semiopaque layer permits the transmission of the light at a wavelength corresponding to the "green-lack" wavelength of color paper.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: September 29, 1992
    Assignee: Kimoto Co., Ltd.
    Inventor: Toshie Yokosuka