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Automatic gain control circuit
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Patent number 5,248,871
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Issue date Sep 28, 1993
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Sumitomo Electric Industries, Ltd.
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Shinya Takenaka
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G06 - COMPUTING CALCULATING COUNTING
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Bar-code reading apparatus
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Patent number 5,245,167
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Issue date Sep 14, 1993
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Sumitomo Electric Industries, Ltd.
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Shinya Takenaka
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G06 - COMPUTING CALCULATING COUNTING
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Waveguide for laser beams
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Patent number 4,586,795
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Issue date May 6, 1986
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Sumitomo Electric Industries, Ltd.
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Kimizo Ono
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Manipulator for laser knife
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Patent number 4,538,609
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Issue date Sep 3, 1985
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Sumitomo Electric Industries, Ltd.
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Shinya Takenaka
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Laser scalpel
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Patent number 4,517,973
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Issue date May 21, 1985
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Sumitomo Electric Industries, Ltd.
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Katsuyoshi Sunago
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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-
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Non-grounding checking system
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Patent number 4,430,610
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Issue date Feb 7, 1984
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Sumitomo Electric Industries, Ltd.
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Kenichi Yoshida
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G01 - MEASURING TESTING
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Laser output controlling device
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Patent number 4,429,392
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Issue date Jan 31, 1984
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Sumitomo Electric Industries, Ltd.
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Kenichi Yoshida
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H01 - BASIC ELECTRIC ELEMENTS