Patents by Inventor Kiyokazu Takeshita

Kiyokazu Takeshita 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).

  • Mechanical quantity sensor and method of manufacturing the same
    Patent number: 8329491
    Abstract: A mechanical quantity sensor includes a first structure having a fixed portion with an opening, a displaceable portion arranged in the opening and displaceable relative to the fixed portion, and a connection portion connecting the fixed portion and the displaceable portion, a second structure having a weight portion joined to the displaceable portion and a pedestal arranged surrounding the weight portion and joined to the fixed portion, the second structure being arranged and stacked on the first structure, a first base connected to the fixed portion and arranged and stacked on the first structure, and a second base connected to the pedestal and arranged and stacked on the second structure. The weight portion is adjusted in thickness after the first structure is made and before the second base and the second structure are joined.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: December 11, 2012
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kiyokazu Takeshita, Kazuhiko Aida
  • MECHANICAL QUANTITY SENSOR AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20100077859
    Abstract: A mechanical quantity sensor includes a first structure having a fixed portion with an opening, a displaceable portion arranged in the opening and displaceable relative to the fixed portion, and a connection portion connecting the fixed portion and the displaceable portion, a second structure having a weight portion joined to the displaceable portion and a pedestal arranged surrounding the weight portion and joined to the fixed portion, the second structure being arranged and stacked on the first structure, a first base connected to the fixed portion and arranged and stacked on the first structure, and a second base connected to the pedestal and arranged and stacked on the second structure. The weight portion is adjusted in thickness after the first structure is made and before the second base and the second structure are joined.
    Type: Application
    Filed: November 15, 2007
    Publication date: April 1, 2010
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kiyokazu Takeshita, Kazuhiko Aida