Patents by Inventor Minami Amano

Minami Amano 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 structure, method of manufacturing the same, and apparatus for manufacturing the same
    Patent number: 6019863
    Abstract: Indication members provided around a central hole in a disk does not adversely affect reference surfaces to be clamped, and clear, stable indication is maintained. For this purpose, first and second optical disks having annular light transmissive disk substrates with a common central hole, one surface of each of which light transmissive disk substrates is provided with a reflection film, are attached to each other as one body with an adhesive layer interposed therebetween, such that the reflection films opposed each other, thereby forming a compound optical disk. Label members are provided from the reflection film side by printing or attachment on flat portions surrounding the central hole.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: February 1, 2000
    Assignees: Kabushiki Kaisha Toshiba, Toshiba-Emi Limited
    Inventors: Hideyuki Irie, Takeshi Hagio, Minami Amano, Mikio Mori, Takashi Tomita, Keiji Kakinuma