Patents by Inventor Wataru Otagiri

Wataru Otagiri 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).

  • High D.C. voltage generating apparatus
    Patent number: 3984751
    Abstract: A high D.C. voltage generating apparatus for generating a high D.C. voltage across an inductive load, in which a circuitry serving to supply a D.C. current to the load and a circuitry serving to generate a high D.C. voltage across the load are separated from each other, so that the current and voltage capacity required for the respective circuitries is reduced and disturbance in the power supplying side is eliminated.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: October 5, 1976
    Assignee: Hitachi, Ltd.
    Inventors: Koji Iwata, Wataru Otagiri, Junichi Masuda