Yoshihiko Sadaoka

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Ehime-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for detecting harmful gases which is applicable to broad gas...
- Patent number 6,117,686
- Issue date Sep 12, 2000
- Ebara Corporation
- Kazunari Tanaka
- G01 - MEASURING TESTING
Information Patent Grant
Gas detection method and apparatus using gas reactive pigment
- Patent number 6,096,557
- Issue date Aug 1, 2000
- Ebara Corporation
- Kazunari Tanaka
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting harmful gases which is applicable to broad gas...
- Patent number 5,952,237
- Issue date Sep 14, 1999
- Ebara Corporation
- Kazunari Tanaka
- G01 - MEASURING TESTING