Patents by Inventor Souju Masumoto

Souju Masumoto 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).

  • Vehicular power supply system having a plurality of power supply voltages
    Patent number: 4788486
    Abstract: A vehicular power supply system having a plurality of power supply voltages comprises a generator including first and second armature windings electrically isolated from each other and a field winding, a first rectifier unit converting a first a.c. output of the first armature windings into a first d.c. voltage, a second rectifier unit converting a second a.c. output of the second armature windings into a second d.c.
    Type: Grant
    Filed: February 10, 1987
    Date of Patent: November 29, 1988
    Assignees: Hitachi, Ltd., Hitachi Automotive Eng. Co.
    Inventors: Keiichi Mashino, Souju Masumoto