Yoshinari Oba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alkali niobate-based piezoelectric material and a method for making...
- Patent number 9,590,168
- Issue date Mar 7, 2017
- FDK Corporation
- Ryosuke Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ALKALI NIOBATE-BASED PIEZOELECTRIC MATERIAL AND A METHOD FOR MAKING...
- Publication number 20140077119
- Publication date Mar 20, 2014
- FDK CORPORATION
- Ryosuke Kobayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES