Kiyoshi Takai

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Tsuruoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic cement composition
- Patent number 4,452,635
- Issue date Jun 5, 1984
- Mizusawa Industrial Chemicals Ltd.
- Yoshibumi Noshi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for treating bauxite or similar raw material
- Patent number 4,265,864
- Issue date May 5, 1981
- Mizusawa Kagaku Kogyo Kabushiki Kaisha
- Yujiro Sugahara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for recovery of nitric acid from nitrates
- Patent number 4,205,054
- Issue date May 27, 1980
- Mizusawa Kagaku Kogyo Kabushiki Kaisha
- Yujiro Sugahara
- C01 - INORGANIC CHEMISTRY