Hideaki Koga

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of porous ceramic molded articles
- Patent number 4,472,332
- Issue date Sep 18, 1984
- The Toyo Rubber Industry Co., Ltd.
- Shigeyoshi Fukushima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES