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Noriyuki Koyama
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Fujinomiya, JP
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Patents Grants
last 30 patents
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Patent Grant
Hydrophilic porous membrane, method of manufacturing the same and l...
Patent number
5,279,856
Issue date
Jan 18, 1994
Terumo Kabushiki Kaisha
Noriyuki Koyama
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrophilic porous membrane, method of manufacturing the same and l...
Patent number
5,203,997
Issue date
Apr 20, 1993
Terumo Kabushiki Kaisha
Noriyuki Koyama
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for production of hydrophilic porous membrane of polyvinylid...
Patent number
5,032,331
Issue date
Jul 16, 1991
Terumo Kabushiki Kaisha
Makoto Onishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of manufacturing porous membrane and porous membrane manufac...
Patent number
4,965,291
Issue date
Oct 23, 1990
Terumo Kabushiki Kaisha
Hideaki Kitoh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrophilic porous membrane of polyvinylidene fluoride and method f...
Patent number
4,943,373
Issue date
Jul 24, 1990
Terumo Kabushiki Kaisha
Makoto Onishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrophilic porous membrane and method for manufacturing thereof
Patent number
4,776,959
Issue date
Oct 11, 1988
Terumo Corporation
Masaaki Kasai
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for production of porous membrane
Patent number
4,772,440
Issue date
Sep 20, 1988
Terumo Kabushiki Kaisha T/A Terumo Corp.
Masaaki Kasi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL