Noriaki Yoshioka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tubular membrane ultrafiltration module
- Patent number 4,747,946
- Issue date May 31, 1988
- Nitto Electric Industrial Co., Ltd.
- Norio Ikeyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Tubular membrane ultrafiltration module
- Patent number 4,707,261
- Issue date Nov 17, 1987
- Nitto Electric Industrial Co., Ltd.
- Norio Ikeyama
- 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