Patents by Inventor Murakami Yuichi

Murakami Yuichi 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: 4935747
    Abstract: An axial mode helical antenna includes a metal belt member disposed around the reflector of the antenna in order to permit use of reduced diameter reflectors and, therefore, to produce a small helical antenna having increased directivity.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: June 19, 1990
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Murakami Yuichi, Ieda Kiyokazu