Yutaka Yamashita

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Foliated fine graphite particles and method for preparing same
- Patent number 5,330,680
- Issue date Jul 19, 1994
- Mitsui Mining Company, Limited
- Kouji Sakawaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES