Patents by Inventor Chiaki Yokota

Chiaki Yokota 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).

  • Publication number: 20050180305
    Abstract: There is disclosed an optical recording medium including a recording layer, one or more intermediate layers, and a printable or typable surface protective layer disposed in this order on a transparent substrate having an annular plate shape, the optical recording medium having an inner peripheral portion in which the recording layer is not formed on an inner peripheral side in a radial direction of the transparent substrate, wherein the surface protective layer is formed in at least a part of the inner peripheral portion, and a hydrophobic intermediate layer is directly formed on the transparent substrate in a region of the inner peripheral portion in which the surface protective layer is formed. Label information can be formed on the optical recording medium even in an innermost peripheral hub portion by printing or the like.
    Type: Application
    Filed: November 8, 2002
    Publication date: August 18, 2005
    Applicant: MITSUI CHEMICALS , INC
    Inventors: Chiaki Yokota, Satoru Suda, Masatoshi Yanagimachi