Kouji Sakawaki

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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
Information Patent Grant
Process for producing carbon materials
- Patent number 5,217,701
- Issue date Jun 8, 1993
- Mitsui Mining Company, Limited
- Koji Sakata
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Sulfo-group-containing heat-resistant high-molecular material and a...
- Patent number 5,110,899
- Issue date May 5, 1992
- Mitsui Mining Co., Ltd.
- Koji Sakata
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING