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Image processing system
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Patent number 5,073,965
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Issue date Dec 17, 1991
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Canon Kabushiki Kaisha
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Motofumi Konishi
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Reader-printer
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Patent number RE33293
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Issue date Aug 7, 1990
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Canon Kabushiki Kaisha
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Masaaki Yanagi
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355 - Photocopying
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Image processing system
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Patent number 4,878,250
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Issue date Oct 31, 1989
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Canon Kabushiki Kaisha
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Masahide Kotera
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Image processing system
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Patent number 4,769,852
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Issue date Sep 6, 1988
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Canon Kabushiki Kaisha
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Norio Hashimoto
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Image processing system
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Patent number 4,658,299
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Issue date Apr 14, 1987
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Canon Kabushiki Kaisha
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Kanou Tanaka
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G06 - COMPUTING CALCULATING COUNTING
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Image forming apparatus
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Patent number 4,624,547
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Issue date Nov 25, 1986
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Canon Kabushiki Kaisha
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Makoto Endo
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Information retrieval system
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Patent number 4,616,126
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Issue date Oct 7, 1986
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Canon Kabushiki Kaisha
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Hitoshi Yanagawa
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G06 - COMPUTING CALCULATING COUNTING
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Reader-printer
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Patent number 4,589,767
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Issue date May 20, 1986
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Canon Kabushiki Kaisha
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Masaaki Yanagi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY