Patents by Inventor Toshiya Murai

Toshiya Murai 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).

  • Field bus communication diagnosing device and field bus communication diagnosing method
    Publication number: 20080052560
    Abstract: A communication state storing unit stores the communication error states of the field bus communication. A connecting state updating unit updates a connecting state of the field bus communication of two systems. A diagnosing unit sequentially and periodically obtains the communication error states stored in the communication state storing unit to diagnose the communication state of the field bus communication in accordance with the obtained communication error state, and sequentially and periodically obtains the connecting states updated by the connecting state updating unit to diagnose the communication state of the field bus communication in accordance with the obtained connecting state.
    Type: Application
    Filed: August 20, 2007
    Publication date: February 28, 2008
    Applicant: Yokogawa Electric Corporation
    Inventor: Toshiya Murai