Kumiko Iezumi

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Tokyo, JP

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Patents Grantslast 30 patents

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

Patents Applicationslast 30 patents

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
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