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Hiroshi FUKAI
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Nagoya-shi, Aichi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ion exchange device main body and ion exchange device
Patent number
11,541,384
Issue date
Jan 3, 2023
SUN MAINTENANCE KOKI CO., LTD.
Hiroshi Fukai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ion exchange resin bag and ion exchange device
Patent number
11,471,788
Issue date
Oct 18, 2022
SUN MAINTENANCE KOKI CO., LTD.
Hiroshi Fukai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
ION EXCHANGE RESIN BAG AND ION EXCHANGE DEVICE
Publication number
20200338472
Publication date
Oct 29, 2020
SUN MAINTENANCE KOKI CO., LTD.
Hiroshi FUKAI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ION EXCHANGE DEVICE MAIN BODY AND ION EXCHANGE DEVICE
Publication number
20200338473
Publication date
Oct 29, 2020
SUN MAINTENANCE KOKI CO., LTD.
Hiroshi FUKAI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL