Tsutomu Takeno

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Joetsu, JP

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Patents Grantslast 30 patents

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Process for manufacturing organic silazane polymers and ceramics th...
- Patent number 5,145,813
- Issue date Sep 8, 1992
- Shin-Etsu Chemical Co., Ltd.
- Yoshifumi Takeda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for manufacturing organic silazane polymers and ceramics th...
- Patent number 4,954,596
- Issue date Sep 4, 1990
- Shin-Etsu Chemical Col, Ltd.
- Yoshifumi Takeda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for manufacturing organic silazane polymers and ceramics th...
- Patent number 4,847,345
- Issue date Jul 11, 1989
- Shin-Etsu Chemical Co., Ltd.
- Minoru Takamizawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES