Patents by Inventor Masaru Matsuhisa

Masaru Matsuhisa 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: 5896292
    Abstract: An automated system has a monitor computer, which is for remote monitoring and/or analysis of control information of an input/output control device connected to a production facility, a control computer for controlling the processes of operation of the production facility via the input/output control device, and a dual-port memory as an information transmission unit capable of transmitting the control information between the monitor computer and the control computer at a timing that is independent of control of the processes of operation, which is capable of real-time reading/writing to/from all or a part of a memory of the control computer and is written, workpiece-related data, such as status of operation, results of measurement and flags representing the sequence flow information on a per-workpiece basis or per-process basis.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: April 20, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kotaro Hosaka, Hiroyuki Ohtsuka, Masaru Matsuhisa, Nobuyuki Yoshida