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Chair assisting rising movements
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Patent number 6,557,940
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Issue date May 6, 2003
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Matsushita Electric Works, Ltd.
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Mitsuo Hayashi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Lounger-type massage machine
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Patent number 5,836,645
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Issue date Nov 17, 1998
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Matsushita Electric Works, Ltd.
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Hironobu Sakaue
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Massaging chair
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Patent number 5,813,727
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Issue date Sep 29, 1998
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Matsushita Electric Works, Ltd.
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Akihide Sugawa
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE