Kazuo Tanaka

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Shiga, JP

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Patents Grantslast 30 patents

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
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