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Tokyo Ohka Kogyo Co., Ltd.
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Patent number 7,741,260
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Issue date Jun 22, 2010
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Tokyo Ohka Kogyo Co., Ltd.
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Method of forming fine patterns
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Patent number 7,189,499
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Issue date Mar 13, 2007
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Tokyo Ohka Kogyo Co., Ltd.
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Tokyo Ohka Kogyo Co., Ltd.
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