Patents by Inventor Yoshitaka Atarshi

Yoshitaka Atarshi 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).

  • Machine diagnostic apparatus and machine diagnostic method
    Patent number: 10295995
    Abstract: An operation mode specifying unit specifies an operation mode of a machine by comparing time-series data of an amplitude and a frequency of measurement data obtained from a sensor with definition data of the operation mode of the machine created in advance by an operation mode data creation unit. In addition, an abnormality diagnosis unit performs processing of cluster analysis for the measurement data obtained from the sensor or the like, and diagnoses abnormality of the machine according to diagnosis procedure information that is set in advance depending on the set operation mode and an abnormality mode of the machine.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: May 21, 2019
    Assignee: HITACHI, LTD.
    Inventors: Tomoaki Hiruta, Kohji Maki, Tetsuji Kato, Yoshitaka Atarshi