Patents by Inventor Eiji Takabatake

Eiji Takabatake 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).

  • Optical disk
    Patent number: 4939011
    Abstract: An optical disk comprising a pair of substrates, each having a recording surface and a reflective layer in super-position on one side, is disclosed. Such an optical disk has satisfactory shear adhesive strength and peeling strength under high temperature and high moisture conditions.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: July 3, 1990
    Assignee: Nitto Denko Corporation
    Inventors: Hidekazu Takahashi, Tadanori Michimoto, Yasuo Mitoh, Eiji Takabatake