Patents by Inventor Kunio Minami

Kunio Minami 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).

  • Surface acoustic wave device with multiple connecting routes for connecting fingers to bus bars
    Patent number: 6072377
    Abstract: A surface acoustic wave device includes a piezoelectric substrate, and comb-shaped electrodes each having a bus bar and a plurality of electrode fingers disposed on the piezoelectric substrate. At least one of the fingers and the bus bar are connected to each other via at least two different connecting portions at two different locations.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: June 6, 2000
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Toshiyuki Tajima, Kunio Minami, Kenji Sakaguchi
  • Elastic convolver
    Patent number: 5444322
    Abstract: An elastic convolver 11 constructed by forming a set of input idts 13 spaced apart from each other by a predetermined distance on an LiNbO.sub.3 piezoelectric substrate, forming a waveguide path 14 in the center of an area between the IDTs 13, respectively forming multistrip couplers 15 between the waveguide path 14 and tile IDTs 13, and forming ZnO piezoelectric thin films 16 so as to cover at least the IDTs 13 and so as not to cover the guide path 14.
    Type: Grant
    Filed: March 1, 1994
    Date of Patent: August 22, 1995
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kunio Minami, Michio Kadota