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Robot wrist mechanism
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Patent number 5,305,653
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Issue date Apr 26, 1994
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Tokico Ltd.
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Yukio Ohtani
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Industrial robot
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Patent number 5,212,432
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Issue date May 18, 1993
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Tokico, Ltd.
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Yukio Ohtani
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Motor-drive industrial robot
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Patent number 5,065,062
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Issue date Nov 12, 1991
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Tokico Ltd.
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Satoshi Uehara
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Wrist mechanism
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Patent number 4,990,050
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Issue date Feb 5, 1991
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Tokico Ltd.
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Kazuo Tsuge
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR