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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Air conditioner
Patent number
11,231,185
Issue date
Jan 25, 2022
HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
Mikihito Tokudi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Air conditioner
Patent number
11,204,181
Issue date
Dec 21, 2021
HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
Mikihito Tokudi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Air conditioner
Patent number
10,845,098
Issue date
Nov 24, 2020
HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
Jun Xue
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Cooling/heating switching unit and air conditioner including the same
Patent number
10,557,648
Issue date
Feb 11, 2020
HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
Koji Naito
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
AIR CONDITIONER
Publication number
20190226691
Publication date
Jul 25, 2019
Hitachi-Johnson Controls Air Conditioning, Inc.
Mikihito TOKUDI
F24 - HEATING RANGES VENTILATING
Information
Patent Application
AIR CONDITIONER
Publication number
20180340714
Publication date
Nov 29, 2018
Hitachi-Johnson Controls Air Conditioning, Inc.
Jun XUE
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR CONDITIONER
Publication number
20180252443
Publication date
Sep 6, 2018
JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECHNOLOGY (HONG KONG) LIMITED)
Koji NAITO
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
COOLING/HEATING SWITCHING UNIT AND AIR CONDITIONER INCLUDING THE SAME
Publication number
20180017293
Publication date
Jan 18, 2018
Hitachi-Johnson Controls Air Conditioning, Inc.
Koji NAITO
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...