Patents by Inventor Hietoshi Ikeda

Hietoshi Ikeda 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).

  • Information disc apparatus
    Patent number: 5050150
    Abstract: An apparatus for reading and reproducing information on and from an optical disc in accordance with data in a form of bar codes representative of characteristics of the optical disc, the data having at least two pre-recorded sectors separated from each other by a non-record intersector gap therebetween in a specific area on the optical disc, the pre-recorded sector having recorded segments spaced by a non-record inter-segment gap shorter than the inter-sector gap.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: September 17, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Hietoshi Ikeda