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Machine tool
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Patent number 6,220,799
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Issue date Apr 24, 2001
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Matsushita Electric Industrial Co.,Ltd.
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Norio Okutani
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Encoder
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Patent number 5,140,240
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Issue date Aug 18, 1992
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Matsushita Electric Industrial Co., Ltd.
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Norio Okutani
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H03 - BASIC ELECTRONIC CIRCUITRY
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Position detecting apparatus
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Patent number 4,623,253
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Issue date Nov 18, 1986
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Matsushita Electric Industrial Co., Ltd.
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Norio Okutani
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G01 - MEASURING TESTING
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Position detecting apparatus
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Patent number 4,622,502
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Issue date Nov 11, 1986
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Matsushita Electric Industrial Co., Ltd.
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Tomohiro Maruo
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G01 - MEASURING TESTING