Inventor
OKAMURA DAISUKE
JP16 patents
⚠️ This page may combine multiple inventors who share the name “OKAMURA DAISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI CHEMICAL IND
8 patentsUS11110402B2Sep 7, 2021
Porous hollow fiber membrane, method for producing porous hollow fiber membrane and filtration method
ASAHI CHEMICAL IND0 citations61
US11654400B2May 23, 2023
Porous hollow fiber membrane and method for producing porous hollow fiber membrane
ASAHI CHEMICAL IND0 citations59
US11338253B2May 24, 2022
Porous hollow fiber membrane, method for producing same, and water purification method
ASAHI CHEMICAL IND0 citations59
US10974204B2Apr 13, 2021
Porous membrane and process for producing porous membrane
ASAHI CHEMICAL IND0 citations59
US10751671B2Aug 25, 2020
Porous hollow fiber membrane, method for producing same, and water purification method
ASAHI CHEMICAL IND1 citations59
US11534723B2Dec 27, 2022
Method of filtration using porous membranes
ASAHI CHEMICAL IND0 citations50
US11471834B2Oct 18, 2022
Filtration method using porous membrane
ASAHI CHEMICAL IND0 citations50
US11364469B2Jun 21, 2022
Hollow fiber membrane module and filtering method
ASAHI CHEMICAL IND0 citations47
ASAHI KASEI CHEMICALS CORP
3 patentsUS7578940B2Aug 25, 2009
Membrane cartridge, membrane separating device, and membrane separating method
ASAHI KASEI CHEMICALS CORP10 citations82
US7704394B2Apr 27, 2010
Hollow fiber membrane cartridge
ASAHI KASEI CHEMICALS CORP4 citations60
US10023709B2Jul 17, 2018
Multiporous hollow-fiber membrane and process for producing multiporous hollow-fiber membrane
ASAHI KASEI CHEMICALS CORP0 citations48