Tetsuya Sugimoto

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbonaceous bricks and the method for producing the same
- Patent number 4,216,020
- Issue date Aug 5, 1980
- Kyusyu Refractories Co., Ltd.
- Akira Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Catalyst for reduction of nitrogen oxides and method for manufactur...
- Patent number 4,160,744
- Issue date Jul 10, 1979
- Kyushu Refractories Co., Ltd.
- Akira Watanabe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL