Patents by Inventor Syoichi Sekino

Syoichi Sekino 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).

  • Operation system for hoisting device
    Patent number: 4549640
    Abstract: An operation system for a hoisting device having a hydraulic motor for driving the hoisting device, a clutch mechanism for connecting and disconnecting the motor and the hoisting device cylinder, a foot pedal for applying a brake to the hoisting device by the control of an operator, and an automatic brake mechanism for applying an automatic brake to the hoisting device.
    Type: Grant
    Filed: January 25, 1983
    Date of Patent: October 29, 1985
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventor: Syoichi Sekino