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Ultrasonic washing device
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Patent number 7,549,429
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Issue date Jun 23, 2009
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Panasonic Electric Works Co., Ltd.
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Mahito Nunomura
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Ultrasonic wave cosmetic device
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Patent number 7,022,089
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Issue date Apr 4, 2006
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Matsushita Electric Works, Ltd.
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Takafumi Ooba
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Skin care device
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Patent number 7,001,355
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Issue date Feb 21, 2006
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The Procter & Gamble Company
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Mahito Nunomura
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE