Kazuhisa Tsukada

Follow

Person

Sakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing dispersant for powdery hydraulic composition
- Patent number 6,437,027
- Issue date Aug 20, 2002
- Taiheiyo Cement Corporation
- Hirotaka Isomura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of treating fly ash and fly ash cement
- Patent number 5,286,292
- Issue date Feb 15, 1994
- Onoda Cement Co., Ltd.
- Kazuhisa Tsukada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES