Masashi ECHIZEN

City:

Osaka

Country:

Japan

Published Applications:

Last publication date:

2023-05-11

Top Assignees for applications by Masashi ECHIZEN

The entities that hold a legal rights for patent applications filed by inventor ECHIZEN Masashi:

NITTO DENKO CORPORATION 6 Osaka, Japan
NITTO DENKO CORPORATION 1 Ibaraki-shi, Osaka, Japan

Recent patent applications by ECHIZEN Masashi

Masashi ECHIZEN from Osaka, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2023-05-11

US20230144222A1

Performing operations; transporting

COMPOSITE SEMIPERMEABLE MEMBRANE, SPIRAL MEMBRANE ELEMENT, WATER TREATMENT SYSTEM, AND WATER TREATMENT METHOD

#2 | 2021-07-15

US20210214243A1

Chemistry; metallurgy

Sulfate ion removal system and method for removing sulfate ion

#3 | 2021-07-01

US20210197138A1

Performing operations; transporting

COMPOSITE SEMIPERMEABLE MEMBRANE

#4 | 2021-07-01

US20210197137A1

Performing operations; transporting

COMPOSITE SEMIPERMEABLE MEMBRANE

#5 | 2020-02-27

US20200061548A1

Performing operations; transporting

Composite semipermeable membrane and spiral wound separation membrane element

#6 | 2017-10-26

US20170304775A1

Performing operations; transporting

Spiral membrane element

#7 | 2017-10-05

US20170282129A1

Performing operations; transporting

COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR PRODUCING THE SAME, SPIRAL WOUND SEPARATION MEMBRANE ELEMENT

#8 | 2017-09-28

US20170274328A1

Performing operations; transporting

COMPOSITE SEMIPERMEABLE MEMBRANE, SEPARATION MEMBRANE ELEMENT, AND PROCESS FOR PRODUCING SAID MEMBRANE

#9 | 2010-05-27

US20100126935A1

Performing operations; transporting

Method of membrane separation and membrane separation apparatus

InventorID:

1993342 ⎘