Hideki Katayama

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Patents Grantslast 30 patents

Information Patent Grant
Ferrite magnetic powder for bond magnet and manufacturing method of...
- Patent number 9,460,850
- Issue date Oct 4, 2016
- Dowa F-Tec Co., Ltd.
- Shuichi Kohayashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ferrite magnetic powder and method for production thereof
- Patent number 7,390,424
- Issue date Jun 24, 2008
- Dowa Electronics Materials Co., Ltd.
- Masayasu Senda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FERRITE MAGNETIC POWDER FOR BOND MAGNET AND MANUFACTURING METHOD OF...
- Publication number 20140225316
- Publication date Aug 14, 2014
- DOWA F-TEC CO., LTD.
- Shuichi Kohayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ferrite Magnetic Powder for Bond Magnet and Manufacturing Method of...
- Publication number 20100230630
- Publication date Sep 16, 2010
- DOWA F-TEC CO., LTD.
- Shuichi Kohayashi
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Ferrite magnetic powder and method for production thereof
- Publication number 20060163525
- Publication date Jul 27, 2006
- Masayasu Senda
- C01 - INORGANIC CHEMISTRY