Yasumichi Yamakoshi

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for production of perfluorocarbon type cation exchange memb...
- Patent number 4,093,568
- Issue date Jun 6, 1978
- Asahi Kasei Kogyo Kabushiki Kaisha
- Maomi Seko
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Reinforced ion-exchange membrane
- Patent number 4,072,793
- Issue date Feb 7, 1978
- Asahi Kasei Kogyo Kabushiki Kaisha
- Itaru Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...