Tetsuya Mukai

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Matsudo, JP

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Patents Grantslast 30 patents

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Resonant frequency-temperature characteristics compensable high fre...
- Patent number 5,087,902
- Issue date Feb 11, 1992
- Sumitomo Metal Mining Co., Ltd.
- Takehiro Hyuga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric ceramic and process for producing the same
- Patent number 5,073,528
- Issue date Dec 17, 1991
- Sumitomo Metal Mining Co., Ltd.
- Kazutoshi Matsumoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing a dielectric ceramic
- Patent number 5,039,637
- Issue date Aug 13, 1991
- Sumitomo Metal Mining Co., Ltd.
- Takehiro Hyuga
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Electric ceramic composition
- Patent number 4,973,567
- Issue date Nov 27, 1990
- Sumitomo Metal Mining Company Limited
- Kazutoshi Matsumoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Dielectric ceramic and process of preparing it
- Patent number 4,897,374
- Issue date Jan 30, 1990
- Sumitomo Metal Mining Co., Ltd.
- Kazutoshi Matsumoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES