Hirofumi Onogi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polytetrafluoroethylene porous material and process for production...
- Patent number 5,688,836
- Issue date Nov 18, 1997
- Daikin Industries, Ltd.
- Katsutoshi Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified polytetrafluoroethylene and process for preparing the same
- Patent number 5,171,805
- Issue date Dec 15, 1992
- Daikin Industries Ltd.
- Masayoshi Tatemoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...