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Keizou Kawamura
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Tokyo, JP
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last 30 patents
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Patent Grant
Multilayer ceramic parts and method for making
Patent number
5,785,879
Issue date
Jul 28, 1998
TDK Corporation
Keizou Kawamura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Grant
Multilayer ceramic parts
Patent number
5,683,790
Issue date
Nov 4, 1997
TDK Corporation
Kazuaki Suzuki
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
High frequency conductive material and resonator and method for making
Patent number
5,431,955
Issue date
Jul 11, 1995
TDK Corporation
Keizou Kawamura
C03 - GLASS MINERAL OR SLAG WOOL