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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High performance dielectric ceramic filter
Patent number
6,828,883
Issue date
Dec 7, 2004
Ube Electronics, Ltd.
Masahiko Kitajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Duplexer filter with offset resonator holes
Patent number
6,724,279
Issue date
Apr 20, 2004
Ube Electronics, Ltd.
Masahiko Kitajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric ceramic composition
Patent number
6,703,336
Issue date
Mar 9, 2004
Ube Electronics, Ltd.
Shinji Fukuda
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Dielectric ceramic composition for high frequency wave
Patent number
6,660,674
Issue date
Dec 9, 2003
Ube Electronics, Ltd.
Kazuki Iwashita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High performance dielectric ceramic filter
Patent number
6,614,330
Issue date
Sep 2, 2003
Ube Electronics Ltd.
Masahiko Kitajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric ceramic composition
Patent number
6,599,854
Issue date
Jul 29, 2003
UBE Electronics Ltd.
Masataka Fujinaga
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Dielectric ceramic filter with improved electrical characteristics...
Patent number
6,404,306
Issue date
Jun 11, 2002
Ube Electronics, Ltd.
Masahiko Kitajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High performance dielectric ceramic filter using a non-linear array...
Patent number
6,313,721
Issue date
Nov 6, 2001
Ube Electronics, Ltd.
Masahiko Kitajima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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