Patents by Inventor Takakazu Namera

Takakazu Namera 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).

  • Orbit control system for a satellite
    Patent number: 4958788
    Abstract: A system for controlling the orbit of a satellite by operating a plurality of thrusters is disclosed. In the system, an actual attitude of the satellite is sensed, an evaluation is set up on the basis of the sensed attitude and compared with a threshold which is adequately changing, and the ON-OFF condition of the firing of the thrusters is based on the relationship between the evaluation value and the threshold.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: September 25, 1990
    Assignee: NEC Corporation
    Inventors: Takakazu Namera, Naoto Ogura