Tatsuya Katoh

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ferrite magnetic material, ferrite magnet, and ferrite sintered magnet
- Patent number 9,202,613
- Issue date Dec 1, 2015
- TDK Corporation
- Shigeki Yanagida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ferrite magnetic material, ferrite magnet, and ferrite sintered magnet
- Patent number 8,591,760
- Issue date Nov 26, 2013
- TDK Corporation
- Shigeki Yanagida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
FERRITE MAGNETIC MATERIAL, FERRITE MAGNET, AND FERRITE SINTERED MAGNET
- Publication number 20140097378
- Publication date Apr 10, 2014
- TDK Corporation
- Shigeki Yanagida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
FERRITE MAGNETIC MATERIAL, FERRITE MAGNET, AND FERRITE SINTERED MAGNET
- Publication number 20120280167
- Publication date Nov 8, 2012
- TDK Corporation
- Shigeki Yanagida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES