Patents by Inventor Fukuhiko Kataoka

Fukuhiko Kataoka 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).

  • Dynamic vibration absorber
    Patent number: 4736701
    Abstract: A vibration damping arrangement for a structural member including leaf springs extending horizontally from a vibration absorber body adapted to be attached to the structural member. A set of horizontal-vibration-absorbing leaf springs extends in one horizontal plane while a set of vertical-vibration-absorbing leaf springs extends in another horizontal plane. A weight is mounted on the distal end of each leaf spring. The relative positions of the leaf springs in their respective planes are staggered around a vertical axis.
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: April 12, 1988
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Kiyoshi Kondo, Kiyotaka Uno, Fukuhiko Kataoka, Kozo Asano
  • Dynamic vibration absorber with spring-supported pendulum
    Patent number: 4700817
    Abstract: A weight is swingably suspended from the central portion of a top plate of a frame by means of a weight suspension shaft. First ends of a pair of U-shaped leaf springs are attached to a portion of the shaft adjacent to a pivotal point thereon so as to be symmetrical with respect to the shaft. The other or second ends of the springs are attached to the inner wall surface of the frame at positions below the first ends.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: October 20, 1987
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Kiyoshi Kondo, Fukuhiko Kataoka, Kiyotaka Uno