Hisashi Koduka

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Bisai-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric ceramic composition and dielectric resonator made from t...
- Patent number 7,094,720
- Issue date Aug 22, 2006
- NKG Spark Plug Co., Ltd.
- Takashi Oba
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Dielectric ceramic composition and dielectric resonator made from t...
- Publication number 20040029709
- Publication date Feb 12, 2004
- Takashi Oba
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES