Yumiko Kozasa

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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 7,507,347
- Issue date Mar 24, 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 20070222341
- Publication date Sep 27, 2007
- TDK Corporation
- Kumiko Iezumi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES