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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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Semiconductor element
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Patent number 4,982,251
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Issue date Jan 1, 1991
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Canon Kabushiki Kaisha
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Katsumi Nakagawa
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H01 - BASIC ELECTRIC ELEMENTS
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Image forming device
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Patent number 4,960,679
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Issue date Oct 2, 1990
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Canon Kabushiki Kaisha
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Takashi Nakagiri
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Optical recording device
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Patent number 4,933,221
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Issue date Jun 12, 1990
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Canon Kabushiki Kaisha
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Yukuo Nishimura
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G11 - INFORMATION STORAGE
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Semiconductor element
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Patent number 4,905,072
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Issue date Feb 27, 1990
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Canon Kabushiki Kaisha
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Toshiyuki Komatsu
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H01 - BASIC ELECTRIC ELEMENTS
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