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Kazuhisa Itakura
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Ise, JP
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Patents Grants
last 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
Information
Patent Grant
Dielectric ceramic material
Patent number
6,995,106
Issue date
Feb 7, 2006
NGK Spark Plug Co., Ltd.
Takashi Oba
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Microwave dielectric porcelain composition and dielectric resonator
Patent number
6,881,694
Issue date
Apr 19, 2005
NGK Spark Plug Co., Ltd.
Toshihiro Mizui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric composition for high frequency resonators
Patent number
6,720,280
Issue date
Apr 13, 2004
NGK Spark Plug Co., Ltd.
Katsuya Yamagiwa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric porcelain composition and dielectric resonator using the...
Patent number
6,569,796
Issue date
May 27, 2003
NGK Spark Plug Co., Ltd.
Kazuhisa Itakura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Alumina-based sintered material
Patent number
6,159,885
Issue date
Dec 12, 2000
NGK Spark Plug Co., Ltd.
Ken-ichi Mizuno
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Microwave dielectric porcelain composition
Patent number
6,069,104
Issue date
May 30, 2000
NGK Spark Plug Co., Ltd.
Yuji Yasunishi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
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Patent Application
Microwave dielectric porcelain composition and dielectric resonator
Publication number
20040029710
Publication date
Feb 12, 2004
Toshihiro Mizui
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
Information
Patent Application
Dielectric composition for high frequency resonators
Publication number
20030176273
Publication date
Sep 18, 2003
Katsuya Yamagiwa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Dielectric ceramic material
Publication number
20030109374
Publication date
Jun 12, 2003
Takashi Oba
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Dielectric porcelain composition and dielectric resonator using the...
Publication number
20030050179
Publication date
Mar 13, 2003
Kazuhisa Itakura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES