Ohta Shigetoshi

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Aichi, JP

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Patents Grantslast 30 patents

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Water-permeable ceramic material
- Patent number 4,954,460
- Issue date Sep 4, 1990
- Mino Yogyo Co., Ltd.
- Fumikazu Tanemura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing alumina silica sintered ceramics having impro...
- Patent number 4,895,814
- Issue date Jan 23, 1990
- Agency of Industrial Science and Technology
- Shuzo Kanzaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES