Masahiro Miwa

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Iron oxide particles and method for production thereof
- Patent number 7,147,796
- Issue date Dec 12, 2006
- Mitsui Mining and Smelting Company, Ltd.
- Hiroyuki Shimamura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetite particles and process for production thereof
- Patent number 6,059,988
- Issue date May 9, 2000
- Mitsui Mining & Smelting Company, Ltd.
- Masachika Hashiuchi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetite particles and process for production thereof
- Patent number 6,013,193
- Issue date Jan 11, 2000
- Mitsui Mining & Smelting Company, Ltd.
- Masachika Hashiuchi
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
BLACK COMPLEX OXIDE PARTICLES
- Publication number 20090269585
- Publication date Oct 29, 2009
- Mitsui Mining and Smelting Co., Ltd.
- Shoichi Fujiyasu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Iron oxide particles and method for production thereof
- Publication number 20050069705
- Publication date Mar 31, 2005
- Hiroyuki Shimamura
- C01 - INORGANIC CHEMISTRY