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Yuko Nakano
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Ibaraki, JP
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last 30 patents
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Patent Grant
Positive photoresist composition
Patent number
6,156,476
Issue date
Dec 5, 2000
Sumitomo Chemical Company, Limited
Naoki Takeyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Photoresist composition containing alkyletherified polyvinylphenol
Patent number
5,585,218
Issue date
Dec 17, 1996
Sumitomo Chemical Company, Limited
Yuko Nakano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY