Patents by Inventor Toneo Kawanishi

Toneo Kawanishi 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).

  • Patent number: 5430451
    Abstract: An array antenna mounted on a spacecraft in its stowed state. After the spacecraft is launched in a predetermined position or on a predetermined orbit, the array antenna is extended to a flat plate form or a curved surface form. The array antenna has a structure that a plurality of subarrays are connected by plate springs or the like. The array antenna is extended in a kite form by using cables for connecting a spacecraft body and the subarrays or is extended by using an extension pole mounted on the spacecraft body. Each subarray includes a variable phase shifter to switch a shape and a direction of a directivity beam. A feeder line, a power supply line, a control signal line and the like connect the spacecraft body and each subarray.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: July 4, 1995
    Assignees: National Space Development Agency of Japan, Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toneo Kawanishi, Yasuo Tamai, Yoshihiko Konishi, Shin-ichi Satoh, Takashi Katagi