Patents by Inventor Shigeru Okai

Shigeru Okai 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).

  • Container for disk
    Patent number: 6293396
    Abstract: The container 200 for a disk comprises the cover section 110, the tray section 220 and the spine section 280, wherein the cover section 110 and the tray section 220 are provided on both sides of the spine section 280 and they can be opened and/or closed freely. The container 200 further comprises the engaging section 130 provided on the tray section 220, which engages with the center hole 501 of the disk 500 contained in the container 200 and holds the disk 500 so as to load and remove freely. The engaging section 130 comprises the table 160 in a “C”, shape, a plurality of ribs 151 and the fastening section 140. Further, the spine section 280 is composed of the tongue 281 for protecting a disk from dropping off.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: September 25, 2001
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Hitoshi Takahashi, Shigeru Okai
  • Case for DVD disk
    Patent number: D459935
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: July 9, 2002
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Hitoshi Takahashi, Shigeru Okai, Akira Kato