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Image formation apparatus
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Patent number 6,064,850
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Issue date May 16, 2000
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Ricoh Company, Ltd.
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Minoru Matsuo
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Tensile strength tester
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Patent number 6,041,660
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Issue date Mar 28, 2000
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Ricoh Company, Ltd.
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Junichi Fujitaka
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G01 - MEASURING TESTING
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Image formation apparatus
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Patent number 5,960,244
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Issue date Sep 28, 1999
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Ricoh Company, Ltd.
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Minoru Matsuo
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Image formation apparatus
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Patent number 5,740,513
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Issue date Apr 14, 1998
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Ricoh Company, Ltd.
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Minoru Matsuo
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY