Patents by Inventor Ryoichi Tazawa

Ryoichi Tazawa 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).

  • Patent number: 8248736
    Abstract: A microactuator mounting section is disposed between a base section and a load beam. A microactuator element formed of a piezoelectric element is contained in an element accommodation portion in a plate portion. The plate portion has a stationary part secured to the base section and a movable part secured to the load beam. The stationary part and the movable part are connected to each other by a pair of arm portions. Each arm portion comprises a first extending portion and a second extending portion. The first extending portion extends longitudinally relative to the load beam from a front end of the stationary part toward the movable part. The second extending portion extends transversely inward relative to the plate portion from the first extending portion so as to be continuous with the movable part.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: August 21, 2012
    Assignee: NHK Spring Co., Ltd.
    Inventors: Masao Hanya, Toshiki Ando, Ryoichi Tazawa
  • Publication number: 20110058280
    Abstract: A microactuator mounting section is disposed between a base section and a load beam. A microactuator element formed of a piezoelectric element is contained in an element accommodation portion in a plate portion. The plate portion has a stationary part secured to the base section and a movable part secured to the load beam. The stationary part and the movable part are connected to each other by a pair of arm portions. Each arm portion comprises a first extending portion and a second extending portion. The first extending portion extends longitudinally relative to the load beam from a front end of the stationary part toward the movable part. The second extending portion extends transversely inward relative to the plate portion from the first extending portion so as to be continuous with the movable part.
    Type: Application
    Filed: September 7, 2010
    Publication date: March 10, 2011
    Applicant: NHK SPRING CO., LTD.
    Inventors: Masao HANYA, Toshiki Ando, Ryoichi Tazawa