Patents by Inventor Masaki Takasu

Masaki Takasu 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).

  • Magnetic bubble device driver
    Patent number: 3952292
    Abstract: Out-of-phase currents of trapezoidal or triangular waveshape are supplied to the drive coils of a magnetic bubble device. The induced magnetic field of the magnetic bubble device rotates at a uniform constant speed and has a linearly varying locus.
    Type: Grant
    Filed: December 10, 1974
    Date of Patent: April 20, 1976
    Assignee: Fujitsu Ltd.
    Inventors: Masahiro Komatsu, Sakan Takai, Harumi Maegawa, Masaki Takasu