Keisuke Nakagome

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite semipermeable membrane and process for preparation thereof
- Patent number 4,737,325
- Issue date Apr 12, 1988
- Nitto Electric Industrial Co., Ltd.
- Yoshiyasu Kamiyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite semipermeable membrane
- Patent number 4,619,767
- Issue date Oct 28, 1986
- Nitto Electric Industrial Co., Ltd.
- Yoshiyasu Kamiyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite semipermeable membrane of polyamine and trianzine
- Patent number 4,612,118
- Issue date Sep 16, 1986
- Nitto Electric Industrial Co., Ltd.
- Yoshiyasu Kamiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for production of a fluid separation module
- Patent number 4,475,973
- Issue date Oct 9, 1984
- Nitto Electric Industrial Company, Ltd.
- Toshiaki Tanaka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL