Hisashi Ogawara

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid separation membrane for pervaporation
- Patent number 4,985,147
- Issue date Jan 15, 1991
- Agency of Industrial Science and Technology
- Akira Mochizuki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquid separation membrane for pervaporation
- Patent number 4,944,881
- Issue date Jul 31, 1990
- Agency of Industrial Science and Technology
- Akira Michizuki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquid separation membrane for pervaporation
- Patent number 4,808,313
- Issue date Feb 28, 1989
- Agency of Industrial Science and Technology
- Akira Michizuki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of manufacturing foundry sand molds
- Patent number 4,385,656
- Issue date May 31, 1983
- Kuraray Company, Ltd.
- Hideo Takahashi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of manufacturing foundry sand molds
- Patent number 4,330,459
- Issue date May 18, 1982
- Kuraray Company, Ltd.
- Hideo Takahashi
- B22 - CASTING POWDER METALLURGY