Norishige Yamaguchi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dust core, ferromagnetic powder composition therefor, and method of...
- Patent number 6,102,980
- Issue date Aug 15, 2000
- TDK Corporation
- Masami Endo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dust core, iron powder therefor and method of making
- Patent number 5,800,636
- Issue date Sep 1, 1998
- TDK Corporation
- Takeo Tsukada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing iron system soft magnetic sintered body
- Patent number 5,443,787
- Issue date Aug 22, 1995
- TDK Corporation
- Teruo Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...