Patents Assigned to MPLUS CO, LTD.
  • Piezoelectric vibration module
    Patent number: 9379305
    Abstract: Disclosed herein is a piezoelectric vibration module including a vibration plate that is surrounded by an upper case and a lower case, and includes a stopper capable of preventing direct collision between a piezoelectric element and an internal constituent member, for example, a lower case while vibrating linearly therein.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: June 28, 2016
    Assignee: MPLUS CO, LTD.
    Inventors: Jae Kyung Kim, Dong Sun Park, Joon Choi, Yeon Ho Son