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Image forming apparatus
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Patent number 6,188,420
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Issue date Feb 13, 2001
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Canon Kabushiki Kaisha
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Masaki Kuribayashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Switching device
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Patent number 5,359,204
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Issue date Oct 25, 1994
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Canon Kabushiki Kaisha
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Ken Eguchi
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B82 - NANO-TECHNOLOGY
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Switching device
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Patent number 5,140,398
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Issue date Aug 18, 1992
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Canon Kabushiki Kaisha
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Hiroshi Matsuda
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H01 - BASIC ELECTRIC ELEMENTS
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Electrophotographic process
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Patent number 4,533,232
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Issue date Aug 6, 1985
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Canon Kabushiki Kaisha
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Naoto Fujimura
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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