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Kazuaki Okumura
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HYOGO, JP
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Patents Grants
last 30 patents
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Patent Grant
Connected-type hot-water supply system
Patent number
11,629,888
Issue date
Apr 18, 2023
Noritz Corporation
Kazuaki Okumura
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
LINKED HOT WATER SUPPLY SYSTEM
Publication number
20230266020
Publication date
Aug 24, 2023
Noritz Corporation
Kazuaki Okumura
F24 - HEATING RANGES VENTILATING
Information
Patent Application
EXHAUST ADAPTER
Publication number
20220412555
Publication date
Dec 29, 2022
Noritz Corporation
Takahide HASEGAWA
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent Application
CONNECTED-TYPE HOT-WATER SUPPLY SYSTEM
Publication number
20220235969
Publication date
Jul 28, 2022
Noritz Corporation
Kazuaki Okumura
F24 - HEATING RANGES VENTILATING