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Endoscope
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Patent number 4,998,973
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Issue date Mar 12, 1991
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Kabushiki Kaisha Toshiba
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Katsuya Kikuchi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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X-ray diagnostic apparatus
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Patent number 4,823,370
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Issue date Apr 18, 1989
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Kabushiki Kaisha Toshiba
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Katsuya Kikuchi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Color image processing system
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Patent number 4,819,077
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Issue date Apr 4, 1989
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Kabushiki Kaisha Toshiba
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Katsuya Kikuchi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Endoscopic apparatus
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Patent number 4,712,133
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Issue date Dec 8, 1987
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Kabushiki Kaisha Toshiba
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Katsuya Kikuchi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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X-ray diagnostic apparatus
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Patent number 4,653,080
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Issue date Mar 24, 1987
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Tokyo Shibaura Denki Kabushiki Kaisha
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Katsuya Kikuchi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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X-ray diagnostic apparatus
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Patent number 4,599,742
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Issue date Jul 8, 1986
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Tokyo Shibaura Denki Kabushiki Kaisha
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Katsuya Kikuchi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE