Patents by Inventor Harumi Maekawa

Harumi Maekawa 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).

  • Cassette-type magnetic bubble memory device
    Patent number: 4485458
    Abstract: A magnetic bubble cassette comprising bubble memory devices mounted on a printed board in a case and a connector for connecting said bubble memory devices to an external apparatus, including through another bubble memory device for driving said bubble memory device. The connecting portion of said connector that is connected to the external apparatus is arranged on a peripheral wall parallel to the insertion direction of said cassette into said external apparatus. This configuration, allowing a plurality of magnetic bubble memory devices to be disposed in the cassette, increases memory capacity while improving handling of the cassettes.
    Type: Grant
    Filed: June 17, 1981
    Date of Patent: November 27, 1984
    Assignee: Fujitsu Limited
    Inventors: Toshiaki Sukeda, Harumi Maekawa, Sakan Takai