Tetsuo Ishida

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for determining concentration of impurity element
- Patent number 8,090,544
- Issue date Jan 3, 2012
- Komatsu Electronic Metals Co., Ltd.
- Kiyoshi Nagai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR DETERMINING CONCENTRATION OF IMPURITY ELEMENT
- Publication number 20090198452
- Publication date Aug 6, 2009
- KOMATSU ELECTRONIC METALS CO., LTD
- Kiyoshi Nagai
- G01 - MEASURING TESTING