Patents by Inventor Kentaro Kitahori

Kentaro Kitahori 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).

  • Input/output device having hart communications functions
    Patent number: 8463963
    Abstract: Channels, which are assigned to each individual lower-level device that are the input/output destinations for HART communications signals that are produced through superimposing, onto a 4 to 20 mA DC signal, digital signals that have been converted into 1200 Hz and 2200 Hz frequency signals; a first controlling portion for controlling communications with a higher-level device; and HART communications portions, provided for each individual channel, for extracting frequency signals from the HART communications signals received through the channels, and for sending to the controlling portion digital signals corresponding to the frequency signals, are provided; where the first controlling portion sends, to the higher-level device, the digital signals received from the individual HART communications portions.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: June 11, 2013
    Assignee: Azbil Corporation
    Inventors: Takashi Komiyama, Kentaro Kitahori, Yoshinori Monaka
  • INPUT/OUTPUT DEVICE HAVING HART COMMUNICATIONS FUNCTIONS
    Publication number: 20120002734
    Abstract: Channels, which are assigned to each individual lower-level device that are the input/output destinations for HART communications signals that are produced through superimposing, onto a 4 to 20 mA DC signal, digital signals that have been converted into 1200 Hz and 2200 Hz frequency signals; a first controlling portion for controlling communications with a higher-level device; and HART communications portions, provided for each individual channel, for extracting frequency signals from the HART communications signals received through the channels, and for sending to the controlling portion digital signals corresponding to the frequency signals, are provided; where the first controlling portion sends, to the higher-level device, the digital signals received from the individual HART communications portions.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 5, 2012
    Applicant: YAMATAKE CORPORATION
    Inventors: Takashi Komiyama, Kentaro Kitahori, Yoshinori Monaka