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Akihiro Ariji
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Otsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sheet-shaped hollow fiber membrane module and membrane separation unit
Patent number
11,000,808
Issue date
May 11, 2021
Toyobo Co., Ltd.
Akihiro Ariji
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hollow-fiber ultrafiltration membrane with excellent fouling resist...
Patent number
8,794,451
Issue date
Aug 5, 2014
Toyo Boseki Kabushiki Kaisha
Kenta Kochi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polyvinylidene fluoride hollow fiber microporous membrane and proce...
Patent number
8,708,161
Issue date
Apr 29, 2014
Toyo Boseki Kabushiki Kaisha
Akihiro Ariji
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
SHEET-SHAPED HOLLOW FIBER MEMBRANE MODULE AND MEMBRANE SEPARATION UNIT
Publication number
20190201850
Publication date
Jul 4, 2019
TOYOBO CO., LTD.
Akihiro Ariji
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HOLLOW-FIBER ULTRAFILTRATION MEMBRANE WITH EXCELLENT FOULING RESIST...
Publication number
20110017660
Publication date
Jan 27, 2011
Toyo Boseki Kabushiki Kaisha
Kenta Kochi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYVINYLIDENE FLUORIDE HOLLOW YARN TYPE MICROPOROUS FILM AND PROCE...
Publication number
20090283469
Publication date
Nov 19, 2009
Akihiro Ariji
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Composite semipermeable membrane
Publication number
20040154979
Publication date
Aug 12, 2004
Hideki Yamada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Composite semipermeable membrane
Publication number
20030136727
Publication date
Jul 24, 2003
Hideki Yamada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL