Inventor
ECHIZEN MASASHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “ECHIZEN MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTO DENKO CORP
5 patentsUS11396460B2Jul 26, 2022
Sulfate ion removal system and method for removing sulfate ion
NITTO DENKO CORP0 citations56
US10682615B2Jun 16, 2020
Composite semi-permeable membrane
NITTO DENKO CORP1 citations54
US10974200B2Apr 13, 2021
Spiral membrane element
NITTO DENKO CORP0 citations43
US11207645B2Dec 28, 2021
Composite semipermeable membrane and spiral wound separation membrane element
NITTO DENKO CORP0 citations41
US10918996B2Feb 16, 2021
Spiral membrane element
NITTO DENKO CORP0 citations41