Patents by Inventor Tsuyoshi Katada

Tsuyoshi Katada 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).

  • Steering controlling device for wheel crane
    Patent number: 4995472
    Abstract: A steering controlling device for a wheel crane wherein a locking operation in a special mode is permitted upon changing over from the special mode to a normal mode and locking and a mode changing over operation can be prevented during normal running of the crane.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: February 26, 1991
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Norihiko Hayashi, Tsuyoshi Katada, Yukio Koizumi
  • Apparatus for suppressing quaky movements of mobile cranes
    Patent number: 4953723
    Abstract: An apparatus for damping quaky movements of a mobile type crane includes the prohibition of the formation of a closed damping circuit through the opposing oil chambers of a boom uplifting cylinder in working mode or a crane operation in travel mode of the crane, enhancing safety in crane operation while ensuring effective quake damping action in vehicle travel.
    Type: Grant
    Filed: August 9, 1989
    Date of Patent: September 4, 1990
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Yoshimi Saotome, Kiyotsuna Kuchiki, Tsuyoshi Katada