Toshihiro Ikeda

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Patents Grantslast 30 patents

Information Patent Grant
Composite semipermeable membrane, process of producing the same and...
- Patent number 5,178,766
- Issue date Jan 12, 1993
- Toray Industries, Inc.
- Toshihiro Ikeda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process of producing composite semipermeable membrane
- Patent number 5,051,178
- Issue date Sep 24, 1991
- Toray Industries, Inc.
- Tadahiro Uemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL