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Hiroki Ito
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Composite reverse osmosis membrane and process for preparing the same
Patent number
6,723,422
Issue date
Apr 20, 2004
Nitto Denko Corporation
Masahiko Hirose
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Liquid separation membrane module
Patent number
6,454,942
Issue date
Sep 24, 2002
Nitto Denko Corporation
Takuji Shintani
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Highly permeable composite reverse osmosis membrane and a reverse o...
Patent number
6,024,873
Issue date
Feb 15, 2000
Nitto Denko Corporation
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Osmosis membrane
Patent number
5,989,426
Issue date
Nov 23, 1999
Nitto Denko Corp.
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Highly permeable composite reverse osmosis membrane, method of prod...
Patent number
5,843,351
Issue date
Dec 1, 1998
Nitto Denko Corporation
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing highly permeable composite reverse osmosis mem...
Patent number
5,733,602
Issue date
Mar 31, 1998
Nitto Denko Corporation
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Highly permeable composite reverse osmosis membrane, method of prod...
Patent number
5,614,099
Issue date
Mar 25, 1997
Nitto Denko Corporation
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sulfonated polysulfone composite semipermeable membranes and proces...
Patent number
4,818,387
Issue date
Apr 4, 1989
Nitto Electric Industrial Co., Ltd.
Kenichi Ikeda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
INFORMATION COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING TERMINAL
Publication number
20230043401
Publication date
Feb 9, 2023
Panasonic Intellectual Property Management Co., Ltd.
Hiroki ITO
G10 - MUSICAL INSTRUMENTS ACOUSTICS