Jyouki Yoshitomi

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon-containing refractory, production method thereof, and pitch-...
- Patent number 8,182,599
- Issue date May 22, 2012
- Krosaki Harima Corporation
- Toshiyuki Hokii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Carbon-Containing Refractory, Production Method Thereof, and Pitch-...
- Publication number 20090044723
- Publication date Feb 19, 2009
- Toshiyuki Hokii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES