Patents by Inventor Hiroyuki KAGITANI

Hiroyuki KAGITANI 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).

  • Apparatus, method, and program for estimating amount of refrigerant
    Patent number: 11971203
    Abstract: A refrigerant amount determining device includes: an operation data acquiring unit configured to acquire operation data of an air conditioning system; a calculating unit configured to calculate a refrigerant amount index value from the operation data acquired; an inferring unit configured to infer information regarding correction of the refrigerant amount index value using a correction model and at least one of the acquired operation data or the calculated refrigerant amount index value; and a determining unit configured to determine a refrigerant amount of the air conditioning system based on the information regarding correction of the refrigerant amount index value.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: April 30, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Manabu Yoshimi, Takeshi Hikawa, Shinichi Kasahara, Shohei Yamada, Hiroyuki Kagitani, Hidetaka Kishimoto
  • APPARATUS, METHOD, AND PROGRAM FOR ESTIMATING AMOUNT OF REFRIGERANT
    Publication number: 20220268503
    Abstract: A refrigerant amount determining device includes: an operation data acquiring unit configured to acquire operation data of an air conditioning system; a calculating unit configured to calculate a refrigerant amount index value from the operation data acquired; an inferring unit configured to infer information regarding correction of the refrigerant amount index value using a correction model and at least one of the acquired operation data or the calculated refrigerant amount index value; and a determining unit configured to determine a refrigerant amount of the air conditioning system based on the information regarding correction of the refrigerant amount index value.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 25, 2022
    Inventors: Manabu YOSHIMI, Takeshi HIKAWA, Shinichi KASAHARA, Shohei YAMADA, Hiroyuki KAGITANI, Hidetaka KISHIMOTO