Patents by Inventor Ryuji Kiyokawa

Ryuji Kiyokawa 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).

  • Method and apparatus for controlling moving body and facilities
    Patent number: 5335180
    Abstract: A control method for a moving body and facilities is comprised of steps of measuring and recognizing at least one of the states such as the number of a moving body, moving speed and moving direction, and changing the state of facilities which is a goal of the moving body based on the result of the measurement/recognition, or displaying the state of the facility. A control apparatus for a moving body and facilities is comprised of a measuring unit for measuring at least one of the states such as the number of a moving body, moving speed, and moving direction, a memory unit for storing information on the condition of a local area in which the moving body is moving or on the facilities said moving body is heading for; an arithmetic unit for processing information from the measurement unit and memory unit; and an input/output unit for accessing information processed by the arithmetic unit, and displaying the information.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: August 2, 1994
    Assignee: Hitachi, Ltd.
    Inventors: Kazunori Takahashi, Nobuhiro Hamada, Masao Takato, Kenji Baba, Yasuo Morooka, Junzo Kawakami, Takayoshi Yokota, Ryuji Kiyokawa