Patents by Inventor Sampei Kikuchi

Sampei Kikuchi 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: 4994973
    Abstract: A control system for industrial use vehicles such as battery powered fork lifts in which regenerative energy is saved when the direction of travel is reversed. The control system functions to moderate the current drain on the battery. The control system comprising: a travel signal input means for generating an output signal from a travel accelerator, a cargo-handling signal input means for generating a cargo-handling signal, a monitor voltage input means for detecting a voltage at each of a plurality of monitor points and for outputting a detected signal, a sensor input means for generating an output signal from each sensor, monitor input means for generating an output signal from each monitor, and a microprocessor controller for receiving the output signals of the respective means and for outputting predetermined control signals.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: February 19, 1991
    Assignee: Nippon Yusoki Co., Ltd.
    Inventors: Noriaki Makino, Sampei Kikuchi