Toshitaka Wada

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen detector sheet and oxygen detecting agent using the same, an...
- Patent number 7,921,798
- Issue date Apr 12, 2011
- Powdertech Co., Ltd.
- Ryuichi Kodama
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Oxygen detector sheet and oxygen detecting agent using the same , a...
- Publication number 20090223432
- Publication date Sep 10, 2009
- POWDERTECH CO., LTD.
- Ryuichi Kodama
- G01 - MEASURING TESTING
Information Patent Application
Quality control method for article and oxygen detecting agent for u...
- Publication number 20060141106
- Publication date Jun 29, 2006
- POWDERTECH CO., LTD.
- Ryuichi Kodama
- G01 - MEASURING TESTING