Patents by Inventor Yoshiaki Takayama

Yoshiaki Takayama 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).

  • Dry planographic printing plate with organic acid additive
    Patent number: 4347303
    Abstract: A presensitized dry planographic printing plate comprising a base layer, a photo-sensitive layer and a silicone rubber layer, characterized in that the photo-sensitive layer contains an effective amount of an organic acid.
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: August 31, 1982
    Assignee: Toray Industries, Inc.
    Inventors: Masaya Asano, Yoichi Mori, Yoshiaki Takayama