Patents by Inventor Kouichi Nakanishi

Kouichi Nakanishi 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).

  • Focusing ultrasonic transducer element
    Patent number: 4566333
    Abstract: A focusing ultrasonic transducer element comprising an ultrasonic propagating medium and an ultrasonic transmitting and receiving transducer. The ultrasonic propagating medium is provided with a convex spherical or cylindrical portion in one end and a concave spherical or cylindrical portion in the other end.
    Type: Grant
    Filed: July 18, 1984
    Date of Patent: January 28, 1986
    Assignees: Keisuke Honda, Noriyoshi Chubachi, Junichi Kushibiki
    Inventors: Noriyoshi Chubachi, Junichi Kushibiki, Kouichi Nakanishi