DO

Daisuke Okamura

AK Asahi Kasei Kabushiki Kaisha: 4 patents #1 of 155Top 1%
Overall (2022): #50,810 of 548,613Top 10%
4
Patents 2022

Issued Patents 2022

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11534723 Method of filtration using porous membranes 2022-12-27
11471834 Filtration method using porous membrane 2022-10-18
11364469 Hollow fiber membrane module and filtering method Shigenori Kasai 2022-06-21
11338253 Porous hollow fiber membrane, method for producing same, and water purification method Yuki MIKI, Masatoshi Hashino 2022-05-24