Patents Assigned to Yamaha Coporaration
  • Patent number: 10362405
    Abstract: A fixed electrode configured to face a diaphragm and forming a capacitance with the diaphragm, including a plurality of protrusions formed by plastic deformation on one surface of the fixed electrode that is to face the diaphragm, so as to protrude toward the diaphragm.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: July 23, 2019
    Assignee: Yamaha Coporaration
    Inventor: Kenichi Yoshinaga