Hirotoshi Ishizuka

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Ibaraki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite membrane support and composite membrane using the same
- Patent number 9,409,377
- Issue date Aug 9, 2016
- Asahi Kasei Fibers Corporation
- Minoru Yoshida
- B32 - LAYERED PRODUCTS
Information Patent Grant
Hydrophilized porous film and process for producing the same
- Patent number 7,115,680
- Issue date Oct 3, 2006
- Nitto Denko Corporation
- Hiroki Fujioka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE MEMBRANE SUPPORT AND COMPOSITE MEMBRANE USING THE SAME
- Publication number 20120043272
- Publication date Feb 23, 2012
- Minoru Yoshida
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Application
Hydrophilized porous film and process for producing the same
- Publication number 20040242752
- Publication date Dec 2, 2004
- NITTO DENKO CORPORATION
- Hiroki Fujioka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...