Patents by Inventor Masahiro KITAI

Masahiro KITAI 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).

  • Angular acceleration sensor and acceleration sensor
    Patent number: 9726690
    Abstract: An angular acceleration sensor includes a planar surface extending along an X-Y plane, a fixed portion, a weight, a beam, and piezoresistors. The weight is supported by the fixed portion. The beam extends along an Y-axis and is connected to the fixed portion and the weight. The beam includes through-holes extending therethrough in a Z-axis direction and protrusions protruding in an X-axis direction. The positions of the piezoresistors in the Y-axis direction overlap those of the through-holes and are displaced from those of the width-direction protrusions.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: August 8, 2017
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masahiro Kitai, Masayuki Ichimaru
  • Angular acceleration sensor and acceleration sensor
    Patent number: 9682853
    Abstract: An angular acceleration sensor includes a planar surface extending along an X-Y plane, a fixed portion, a weight, a beam, and piezoresistors. The weight is supported by the fixed portion. The beam extends along a Y-axis and is connected to the fixed portion and the weight. A width of the beam in an X-axis direction is larger than a width of the connection portion at which the beam is connected to the fixed portion.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: June 20, 2017
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masahiro Kitai, Masayuki Ichimaru
  • ANGULAR ACCELERATION SENSOR AND ACCELERATION SENSOR
    Publication number: 20150274504
    Abstract: An angular acceleration sensor includes a planar surface extending along an X-Y plane, a fixed portion, a weight, a beam, and piezoresistors. The weight is supported by the fixed portion. The beam extends along a Y-axis and is connected to the fixed portion and the weight. A width of the beam in an X-axis direction is larger than a width of the connection portion at which the beam is connected to the fixed portion.
    Type: Application
    Filed: June 11, 2015
    Publication date: October 1, 2015
    Inventors: Masahiro KITAI, Masayuki ICHIMARU
  • ANGULAR ACCELERATION SENSOR AND ACCELERATION SENSOR
    Publication number: 20150276788
    Abstract: An angular acceleration sensor includes a planar surface extending along an X-Y plane, a fixed portion, a weight, a beam, and piezoresistors. The weight is supported by the fixed portion. The beam extends along an Y-axis and is connected to the fixed portion and the weight. The beam includes through-holes extending therethrough in a Z-axis direction and protrusions protruding in an X-axis direction. The positions of the piezoresistors in the Y-axis direction overlap those of the through-holes and are displaced from those of the width-direction protrusions.
    Type: Application
    Filed: June 11, 2015
    Publication date: October 1, 2015
    Inventors: Masahiro KITAI, Masayuki ICHIMARU