Patents by Inventor Satoru Nakahata

Satoru Nakahata 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).

  • Suction-type smoke sensing system
    Patent number: 9574996
    Abstract: This invention relates to a suction-type smoke sensing system which detects smoke with high accuracy and rapidly and identifies a fire occurrence spot quickly. The system of the present invention is provided with a piping for sucking air in each region to be inspected, a photoelectric smoke sensor which, when air in each of the regions to be inspected is sucked, senses mixing of smoke in the air, and a control unit which sucks the air in the region to be inspected and is electrically connected to the photoelectric smoke sensor so as to receive and process a detection signal.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: February 21, 2017
    Assignee: FENWAL CONTROLS OF JAPAN, LTD.
    Inventors: Shintaro Masumoto, Kazuhisa Itoh, Masao Iguchi, Fumiyoshi Kobayashi, Satoru Nakahata
  • SUCTION-TYPE SMOKE SENSING SYSTEM
    Publication number: 20130208281
    Abstract: This invention relates to a suction-type smoke sensing system which detects smoke with high accuracy and rapidly and identifies a fire occurrence spot quickly. The system of the present invention is provided with a piping for sucking air in each region to be inspected, a photoelectric smoke sensor which, when air in each of the regions to be inspected is sucked, senses mixing of smoke in the air, and a control unit which sucks the air in the region to be inspected and is electrically connected to the photoelectric smoke sensor so as to receive and process a detection signal.
    Type: Application
    Filed: September 2, 2011
    Publication date: August 15, 2013
    Applicant: FENWAL CONTROLS OF JAPAN, LTD.
    Inventors: Shintaro Masumoto, Kazuhisa Itoh, Masao Iguchi, Fumiyoshi Kobayashi, Satoru Nakahata