Hajime Izawa

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Patents Grantslast 30 patents

Information Patent Grant
Coating material for forming transparent and conductive film
- Patent number 6,921,788
- Issue date Jul 26, 2005
- Sumitomo Osaka Cement Co., Ltd.
- Hajime Izawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Composite of silicon carbide and carbon and method of making the same
- Patent number 5,540,950
- Issue date Jul 30, 1996
- Sumitomo Osaka Cement Co., Ltd.
- Hajime Izawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES