Patents by Inventor Kazuhito Sekiba

Kazuhito Sekiba 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).

  • Refrigeration cycle apparatus
    Patent number: 11041667
    Abstract: To achieve higher efficiency at a low-load region and to enable power saving throughout a year. The refrigeration cycle apparatus 1 includes a compressor 4 that has a flow in/out port 4d through which a refrigerant is capable of flowing out and flowing in, in fluid communication with a compression room 4c; pipes 21, 22 disposed at a suction side of the compressor 4; a pipe 25 connected to the flow in/out port 4d of the compressor 4; a pipe 27 that has one end connected to the pipe 25 and an opposite end connected to the pipe 21; and a second solenoid valve 13 for opening and closing a fluid passage of the pipe 27.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: June 22, 2021
    Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    Inventors: Atsuhiko Yokozeki, Koji Naito, Kazuhito Sekiba, Shoutaro Yamamoto, Hiroaki Kaneko, Kazuhiko Tani
  • REFRIGERATION CYCLE APPARATUS
    Publication number: 20190277550
    Abstract: To achieve higher efficiency at a low-load region and to enable power saving throughout a year. The refrigeration cycle apparatus 1 includes a compressor 4 that has a flow in/out port 4d through which a refrigerant is capable of flowing out and flowing in, in fluid communication with a compression room 4c; pipes 21, 22 disposed at a suction side of the compressor 4; a pipe 25 connected to the flow in/out port 4d of the compressor 4; a pipe 27 that has one end connected to the pipe 25 and an opposite end connected to the pipe 21; and a second solenoid valve 13 for opening and closing a fluid passage of the pipe 27.
    Type: Application
    Filed: March 21, 2019
    Publication date: September 12, 2019
    Inventors: Atsuhiko YOKOZEKI, Koji NAITO, Kazuhito SEKIBA, Shoutaro YAMAMOTO, Hiroaki KANEKO, Kazuhiko TANI
  • Outdoor unit for air conditioner
    Patent number: D804000
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: November 28, 2017
    Assignee: JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Kotaro Nomura, Kunihito Kawamura, Masayoshi Murofushi, Kazuhito Sekiba, Shuntaro Inoue
  • Outdoor unit for air conditioner
    Patent number: D828911
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: September 18, 2018
    Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    Inventors: Masayoshi Murofushi, Kotaro Nomura, Kunihito Kawamura, Kazuhito Sekiba, Shuntaro Inoue
  • Outdoor unit for air conditioner
    Patent number: D847321
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 30, 2019
    Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    Inventors: Masayoshi Murofushi, Kotaro Nomura, Kunihito Kawamura, Kazuhito Sekiba, Shuntaro Inoue
  • Outdoor unit for air conditioner
    Patent number: D847322
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 30, 2019
    Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    Inventors: Masayoshi Murofushi, Kotaro Nomura, Kunihito Kawamura, Kazuhito Sekiba, Shuntaro Inoue