Tohru Umezaki

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Amorphous silica powder, process for its production, and sealing ma...
- Patent number 8,048,817
- Issue date Nov 1, 2011
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yasuhisa Nishi
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
AMORPHOUS SILICA POWDER, PROCESS FOR ITS PRODUCTION, AND SEALING MA...
- Publication number 20110021666
- Publication date Jan 27, 2011
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yasuhisa Nishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...