Katsuyuki Akiyama

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Yotsukaidoh, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing carboxyl group-containing fluoropolymer
- Patent number 4,487,893
- Issue date Dec 11, 1984
- Asahi Glass Company Ltd.
- Masaaki Yamabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Permselective element for gas separation
- Patent number 4,439,217
- Issue date Mar 27, 1984
- Asahi Glass Company, Ltd.
- Masaaki Yamabe
- C01 - INORGANIC CHEMISTRY