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Patents Grants
last 30 patents
Information
Patent Grant
Porous hollow fiber membrane and method for producing porous hollow...
Patent number
11,654,400
Issue date
May 23, 2023
Asahi Kasei Kabushiki Kaisha
Yuki Miki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Porous hollow fiber membrane, method for producing same, and water...
Patent number
11,338,253
Issue date
May 24, 2022
Asahi Kasei Kabushiki Kaisha
Daisuke Okamura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Porous membrane
Patent number
11,161,069
Issue date
Nov 2, 2021
Asahi Kasei Kabushiki Kaisha
Yuki Miki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Porous membrane
Patent number
11,033,861
Issue date
Jun 15, 2021
Asahi Kasei Kabushiki Kaisha
Yuki Miki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Porous membrane and process for producing porous membrane
Patent number
10,974,204
Issue date
Apr 13, 2021
Asahi Kasei Kabushiki Kaisha
Yuki Miki
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Porous hollow fiber membrane, method for producing same, and water...
Patent number
10,751,671
Issue date
Aug 25, 2020
Asahi Kasei Kabushiki Kaisha
Daisuke Okamura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Multiporous hollow-fiber membrane and process for producing multipo...
Patent number
10,023,709
Issue date
Jul 17, 2018
ASAHI KASEI CHEMICALS CORPORATION
Yuki Miki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
POROUS MEMBRANE
Publication number
20230405531
Publication date
Dec 21, 2023
ASAHI KASEI KABUSHIKI KAISHA
Yuki MIKI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POROUS HOLLOW FIBER MEMBRANE, METHOD FOR PRODUCING SAME, AND WATER...
Publication number
20200346173
Publication date
Nov 5, 2020
Asahi Kasei Kabushiki Kaisha
Daisuke OKAMURA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POROUS MEMBRANE
Publication number
20200324233
Publication date
Oct 15, 2020
Asahi Kasei Kabushiki Kaisha
Yuki MIKI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POROUS HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING POROUS HOLLOW...
Publication number
20190314767
Publication date
Oct 17, 2019
ASAHI KASEI KABUSHIKI KAISHA
Yuki MIKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POROUS MEMBRANE AND PROCESS FOR PRODUCING POROUS MEMBRANE
Publication number
20190247801
Publication date
Aug 15, 2019
Asahi Kasei Kabushiki Kaisha
Yuki MIKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POROUS MEMBRANE
Publication number
20190168169
Publication date
Jun 6, 2019
Asahi Kasei Kabushiki Kaisha
Yuki MIKI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
POROUS HOLLOW FIBER MEMBRANE, METHOD FOR PRODUCING SAME, AND WATER...
Publication number
20160325237
Publication date
Nov 10, 2016
Asahi Kasei Kabushiki Kaisha
Daisuke OKAMURA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MULTIPOROUS HOLLOW-FIBER MEMBRANE AND PROCESS FOR PRODUCING MULTIPO...
Publication number
20160039987
Publication date
Feb 11, 2016
ASAHI KASEI CHEMICALS CORPORATION
Yuki MIKI
B32 - LAYERED PRODUCTS