Masaki Katayama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyolefin microporous membrane and production method thereof
- Patent number 11,242,440
- Issue date Feb 8, 2022
- Asahi Kasei Kabushiki Kaisha
- Akihisa Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polyolefin Microporous Membrane
- Publication number 20220411600
- Publication date Dec 29, 2022
- Asahi Kasei Kabushiki Kaisha
- Masaki Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyolefin Microporous Membrane and Production Method Thereof
- Publication number 20200024419
- Publication date Jan 23, 2020
- Asahi Kasei Kabushiki Kaisha
- Akihisa Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...