Shigetoshi Ishida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ferrite core and its production method
- Patent number 6,752,932
- Issue date Jun 22, 2004
- TDK Corporation
- Shigetoshi Ishida
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Ferrite core and its production method
- Publication number 20030042470
- Publication date Mar 6, 2003
- TDK Corporation
- Shigetoshi Ishida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES