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Osaka, JP
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last 30 patents
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Patent Grant
Microwave dielectric ceramic composition
Patent number
5,444,028
Issue date
Aug 22, 1995
Sanyo Electric Co., Ltd.
Hisakazu Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Microwave dielectric ceramic composition
Patent number
5,403,796
Issue date
Apr 4, 1995
Sanyo Electric Co., Ltd.
Hisakazu Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Microwave dielectric ceramic composition
Patent number
5,320,991
Issue date
Jun 14, 1994
Sanyo Electric Co., Ltd.
Hisakazu Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Microwave dielectric ceramic composition
Patent number
5,244,851
Issue date
Sep 14, 1993
Sanyo Electric Co., Ltd.
Hisakazu Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Microwave dielectric ceramic composition
Patent number
5,188,993
Issue date
Feb 23, 1993
Sanyo Electric Co., Ltd.
Hisakazu Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Microwave dielectric ceramic composition
Patent number
5,132,258
Issue date
Jul 21, 1992
Sanyo Electric Co., Ltd.
Hisakazu Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES