Katsumi Ishii

Person

Ibaraki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Composite semi-permeable membrane and method for producing same
- Patent number 9,504,966
- Issue date Nov 29, 2016
- Nitto Denko Corporation
- Yoshihide Kawaguchi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for producing porous thermosetting resin sheet, porous therm...
- Patent number 9,186,633
- Issue date Nov 17, 2015
- Nitto Denko Corporation
- Noriaki Harada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Spiral membrane element and process for producing the same
- Patent number 7,998,348
- Issue date Aug 16, 2011
- Nitto Denko Corporation
- Shinichi Chikura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Membrane element sealing material holding member and membrane element
- Patent number 7,867,394
- Issue date Jan 11, 2011
- Nitto Denko Corporation
- Yasuhiro Uda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Running method and treatment system for spiral wound membrane eleme...
- Patent number 6,878,294
- Issue date Apr 12, 2005
- Nitto Denko Corporation
- Masaaki Ando
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Running method and washing method for spiral wound membrane element...
- Patent number 6,861,000
- Issue date Mar 1, 2005
- Nitto Denko Corporation
- Masaaki Ando
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Spiral wound membrane element, spiral wound membrane module and tre...
- Patent number 6,733,675
- Issue date May 11, 2004
- Nitto Denko Corporation
- Masaaki Ando
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Spiral wound type separation membrane element
- Patent number 6,565,747
- Issue date May 20, 2003
- Nitto Denko Corporation
- Takuji Shintani
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite semipermeable membrane and production method thereof
- Patent number 5,744,039
- Issue date Apr 28, 1998
- Nitto Denko Corporation
- Hiroki Itoh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SEPARATION MEMBRANE AND LAMINATE
- Publication number 20190314768
- Publication date Oct 17, 2019
- NITTO DENKO CORPORATION
- Naomichi KIMURA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING POROUS EPOXY RESIN SHEET
- Publication number 20130248442
- Publication date Sep 26, 2013
- NITTO DENKO CORPORATION
- Noriaki Harada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SEPARATION MEMBRANE UNIT AND SEPARATION MEMBRANE ELEMENT WITH SAME
- Publication number 20120228213
- Publication date Sep 13, 2012
- Katsumi Ishii
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SPIRAL MEMBRANE ELEMENT AND PROCESS FOR PRODUCING THE SAME
- Publication number 20110266210
- Publication date Nov 3, 2011
- Shinichi CHIKURA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING POROUS THERMOSETTING RESIN SHEET, POROUS THERM...
- Publication number 20110192788
- Publication date Aug 11, 2011
- Noriaki Harada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITE SEMI-PERMEABLE MEMBRANE AND METHOD FOR PRODUCING SAME
- Publication number 20110174723
- Publication date Jul 21, 2011
- NITTO DENKO CORPORATION a corporation
- Yoshihide Kawaguchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MEMBRANE ELEMENT SEALING MATERIAL HOLDING MEMBER AND MEMBRANE ELEMENT
- Publication number 20090095670
- Publication date Apr 16, 2009
- Yasuhiro Uda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SPIRAL MEMBRANE ELEMENT
- Publication number 20090065426
- Publication date Mar 12, 2009
- NITTO DENKO CORPORATION
- Katsumi Ishii
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SPIRAL MEMBRANE ELEMENT AND PROCESS FOR PRODUCING THE SAME
- Publication number 20090026130
- Publication date Jan 29, 2009
- Shinichi Chikura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Spiral membrane element and method of manufacturing the same
- Publication number 20050077229
- Publication date Apr 14, 2005
- NITTO DENKO CORPORATION
- Katsumi Ishii
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Running method and treatment system for spiral wound membrane eleme...
- Publication number 20020060193
- Publication date May 23, 2002
- NITTO DENKO CORPORATION
- Masaaki Ando
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Running method and washing method for spiral wound membrane element...
- Publication number 20020027103
- Publication date Mar 7, 2002
- NITTO DENKO CORPORATION
- Masaaki Ando
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Spiral wound membrane element, spiral wound membrane module and tre...
- Publication number 20020027111
- Publication date Mar 7, 2002
- NITTO DENKO CORPORATION
- Masaaki Ando
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Katsumi Ishii

Person

Patents Grantslast 30 patents

Composite semi-permeable membrane and method for producing same

Method for producing porous thermosetting resin sheet, porous therm...

Spiral membrane element and process for producing the same

Membrane element sealing material holding member and membrane element

Running method and treatment system for spiral wound membrane eleme...

Running method and washing method for spiral wound membrane element...

Spiral wound membrane element, spiral wound membrane module and tre...

Spiral wound type separation membrane element

Composite semipermeable membrane and production method thereof

Patents Applicationslast 30 patents

SEPARATION MEMBRANE AND LAMINATE

METHOD FOR PRODUCING POROUS EPOXY RESIN SHEET

SEPARATION MEMBRANE UNIT AND SEPARATION MEMBRANE ELEMENT WITH SAME

SPIRAL MEMBRANE ELEMENT AND PROCESS FOR PRODUCING THE SAME

METHOD FOR PRODUCING POROUS THERMOSETTING RESIN SHEET, POROUS THERM...

COMPOSITE SEMI-PERMEABLE MEMBRANE AND METHOD FOR PRODUCING SAME

MEMBRANE ELEMENT SEALING MATERIAL HOLDING MEMBER AND MEMBRANE ELEMENT

SPIRAL MEMBRANE ELEMENT

SPIRAL MEMBRANE ELEMENT AND PROCESS FOR PRODUCING THE SAME

Spiral membrane element and method of manufacturing the same

Running method and treatment system for spiral wound membrane eleme...

Running method and washing method for spiral wound membrane element...

Spiral wound membrane element, spiral wound membrane module and tre...