Patents by Inventor Masaki Aoshima

Masaki Aoshima 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 recording medium and method for optically recording information in the same
    Publication number: 20030190551
    Abstract: An optical recording medium includes a substrate, a protective layer, a first recording layer containing an element selected from a group consisting of Si, Ge, Sn, Mg, In, Zn, Bi and Al as a primary component, and a second recording layer located in the vicinity of the first recording layer and containing Cu as a primary component. When the optical recording medium is irradiated with a laser beam, the element contained in the first recording layer as a primary component and the element contained in the second recording layer as a primary component are mixed by the laser beam and a region whose reflection coefficient has been changed is formed, whereby information is recorded.
    Type: Application
    Filed: April 2, 2003
    Publication date: October 9, 2003
    Applicant: TDK Corporation
    Inventors: Masaki Aoshima, Hiroyasu Inoue, Koji Mishima, Hideki Hirata, Hajime Utsunomiya