Patents by Inventor Fumihior Ito

Fumihior Ito 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).

  • Microwave antenna
    Patent number: 5087920
    Abstract: A suspended line feed type planar array antenna has a substrate sandwiched between a pair of metal or metallized plastic plates and resonance type printed patch radiators provided in corresponding relation to openings formed through one of the pair of metal or metallized plastic plates, whereby the antenna can be reduced in thickness, weight and cost. Also, the transmission loss of the antenna can be reduced and its bandwidth can be widened.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: February 11, 1992
    Assignee: Sony Corporation
    Inventors: Shinobu Tsurumaru, Keiji Fukuzawa, Fumihior Ito