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Thermal lens forming element
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Patent number 8,004,748
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Issue date Aug 23, 2011
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Dainichiseika Color & Chemicals Mfg. Co., Ltd.
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Norio Tanaka
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G02 - OPTICS
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Data distribution system and method
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Patent number 7,729,614
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Issue date Jun 1, 2010
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National Institute of Advanced Industrial Science and Technology
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Takashi Hiraga
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical flip-flop circuit
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Patent number 7,511,894
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Issue date Mar 31, 2009
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Dainichiseika Color & Chemicals Mfg. Co., Ltd.
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Takashi Hiraga
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G11 - INFORMATION STORAGE
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