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Setsuko Irie
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Osaka, JP
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last 30 patents
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Patent Grant
Photochromic material and color dose meter using the same
Patent number
7,101,497
Issue date
Sep 5, 2006
Yuki Tanaka
G01 - MEASURING TESTING
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last 30 patents
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Patent Application
Photochromic material and color dose meter using the same
Publication number
20040178394
Publication date
Sep 16, 2004
Yuki Tanaka
G01 - MEASURING TESTING