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Camera device
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Patent number 9,477,143
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Issue date Oct 25, 2016
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Ricoh Company, Ltd.
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Terunori Koyama
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Lens barrel
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Patent number 8,730,600
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Issue date May 20, 2014
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Ricoh Company, Ltd.
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Tetsuya Iwasaki
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G02 - OPTICS
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Imaging apparatus
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Patent number 8,251,595
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Issue date Aug 28, 2012
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Ricoh Company, Ltd.
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Terunori Koyama
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G02 - OPTICS
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Lens barrel
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Patent number 7,701,646
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Issue date Apr 20, 2010
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Ricoh Company, Ltd.
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Terunori Koyama
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G02 - OPTICS
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