Patents by Inventor Tetsuya Inui

Tetsuya Inui 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 memory disc
    Patent number: 4634617
    Abstract: Concentric guide grooves are formed on a glass substrate, and recording medium is disposed on the glass substrate having the concentric grooves. A centering device is secured to the glass substrate in a manner that the center of the centering device is positioned at the center of the concentric guide grooves. In a preferred form, photopolymer is disposed between the centering device and the glass substrate as adhesive. The centering device is provided with an aperture through which ultraviolet rays are applyed to the photo-polymer to cure it.
    Type: Grant
    Filed: August 8, 1984
    Date of Patent: January 6, 1987
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kenji Ohta, Akira Takahashi, Tetsuya Inui, Takao Hyuga, Hideyoshi Yamaoka