Ryuichi Takahashi

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Yamagata-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Recycled fertilizer and method for producing the same
- Publication number 20020046585
- Publication date Apr 25, 2002
- IG-Technical Research Inc.
- Takashi Ishikawa
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Asbestos-free product sintered from building material wastes contai...
- Publication number 20020027316
- Publication date Mar 7, 2002
- Takashi Ishikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES