Patents by Inventor Kenji Cho

Kenji Cho 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).

  • Patent number: 4271255
    Abstract: The invention provides a novel method for the preparation of a printing plate suitable for dry planographic printing without supply of dampening water utilizing the ink-repellency of a cured silicone resin. In the inventive method, a base plate provided with two successive layers of a first adhesive agent and a photocurable organopolysiloxane composition is overlaid with a UV-transparent covering sheet provided with a layer of a second adhesive agent in such a manner that the layers of the organopolysiloxane composition and the second adhesive agent are in direct contact with each other and irradiated with UV light pattern-wise through the sheet.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: June 2, 1981
    Assignees: Dai Nippon Printing Co. Ltd., Shin-Etsu Chemical Co. Ltd.
    Inventors: Kenji Cho, Minoru Takamizawa, Yoshio Inoue