Toshifumi Katsuda

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Niihama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
α-Alumina fine powder and a method of producing the same
- Patent number 7,033,567
- Issue date Apr 25, 2006
- Sumitomo Chemical Company, Limited
- Yoshio Uchida
- B82 - NANO-TECHNOLOGY
Information Patent Grant
α-alumina powder and heat-conductive sheet containing the same
- Patent number 6,569,519
- Issue date May 27, 2003
- Sumitomo Chemical Company, Limited
- Toshifumi Katsuda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Alpha-alumina powder and method of producing the same
- Publication number 20040131856
- Publication date Jul 8, 2004
- Sumitomo Chemical Company, Limited
- Kazuhisa Kajihara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Alumina fine powder and a method of producing the same
- Publication number 20020187097
- Publication date Dec 12, 2002
- Sumitomo Chemical Company, Limited
- Yoshio Uchida
- B82 - NANO-TECHNOLOGY
Information Patent Application
Alpha-alumina powder and heat-conductive sheet containing the same
- Publication number 20020022127
- Publication date Feb 21, 2002
- Sumitomo Chemical Company, Limited
- Toshifumi Katsuda
- C01 - INORGANIC CHEMISTRY