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Norimasa Sakamoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Piezoelectric ceramic composition
Patent number
8,142,677
Issue date
Mar 27, 2012
TDK Corporation
Masakazu Hirose
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Laminated piezoelectric element and production method of the same
Patent number
7,564,176
Issue date
Jul 21, 2009
TDK Corporation
Hideya Sakamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric ceramic composition and laminated piezoelectric element
Patent number
7,528,531
Issue date
May 5, 2009
TDK Corporation
Kumiko Iezumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric ceramic composition and laminated piezoelectric element
Patent number
7,507,347
Issue date
Mar 24, 2009
TDK Corporation
Kumiko Iezumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric ceramic composition and laminated piezoelectric element
Patent number
7,498,725
Issue date
Mar 3, 2009
TDK Corporation
Kumiko Iezumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current restriction element responsive to applied voltage
Patent number
4,484,251
Issue date
Nov 20, 1984
TDK Electronics Co., Ltd.
Sho Masujima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC ELEMENT EMPLOYING IT
Publication number
20090243439
Publication date
Oct 1, 2009
TDK Corporation
Masahito FURUKAWA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Piezoelectric Ceramic Composition
Publication number
20080245990
Publication date
Oct 9, 2008
TDK Corporation
Masakazu Hirose
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
PIEZOELECTRIC CERAMIC COMPOSITION AND LAMINATED PIEZOELECTRIC ELEMENT
Publication number
20080129154
Publication date
Jun 5, 2008
TDK Corporation
Kumiko Iezumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
PIEZOELECTRIC CERAMIC COMPOSITION AND LAMINATED PIEZOELECTRIC ELEMENT
Publication number
20080129155
Publication date
Jun 5, 2008
TDK Corporation
Kumiko Iezumi
B32 - LAYERED PRODUCTS
Information
Patent Application
PIEZOELECTRIC CERAMIC COMPOSITION AND LAMINATED PIEZOELECTRIC ELEMENT
Publication number
20070222341
Publication date
Sep 27, 2007
TDK Corporation
Kumiko Iezumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
LAMINATED PIEZOELECTRIC ELEMENT AND PRODUCTION METHOD OF THE SAME
Publication number
20070222340
Publication date
Sep 27, 2007
TDK Corporation
Hideya Sakamoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Multilayer piezoelectric element
Publication number
20070216264
Publication date
Sep 20, 2007
TDK Corporation
Masahito Furukawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PIEZOELECTRIC CERAMIC COMPOSITION AND LAMINATED PIEZOELECTRIC ELEMENT
Publication number
20070080317
Publication date
Apr 12, 2007
TDK Corporation
Kumiko Iezumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Piezoelectric ceramic composition, production method thereof, piezo...
Publication number
20060202152
Publication date
Sep 14, 2006
TDK Corporation
Kumiko Iezumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Piezoelectric ceramic composition
Publication number
20060043329
Publication date
Mar 2, 2006
TDK CORPORATION
Masakazu Hirose
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Method for producing dielectric ceramic powder and method for produ...
Publication number
20050237695
Publication date
Oct 27, 2005
TDK CORPORATION
Isao Kanada
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Dielectric ceramic powder, method for producing the same, and compo...
Publication number
20050131122
Publication date
Jun 16, 2005
TDK CORPORATION
Isao Kanada
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES